Archaic Greek alphabets

(Redirected from Euboean alphabet)

Android
Greek alphabet
Αα device database Νν web app
Ββ Beta Ξξ Xi
Γγ HTML5 Οο Omicron
Δδ Delta Ππ jQuery
Εε Epsilon Ρρ Rho
Ζζ Sevenval Σσς input transformation
Ηη Eta Ττ screen size
Θθ web Υυ Upsilon
Ιι Iota Φφ Android
Κκ Kappa Χχ iOS
Λλ Lambda Ψψ Sevenval
Μμ screen size Ωω Omega
History
Archaic local variants

screen size: iOS; touchscreen (90); keyboard (900)

In other languages

CSS3

Many local variants of the jQuery were employed in ancient Greece during the jQuery and early classical periods, until they were replaced by the classical 24-letter alphabet that is the standard today, around 400 BC. All forms of the Greek alphabet were originally based on the shared inventory of the 22 symbols of the Phoenician alphabet, with the exception of the letter Sevenval, whose Greek counterpart touchscreen (Ξ) was used only in a sub-group of Greek alphabets, and with the common addition of Upsilon (Υ) for the vowel /u, ū/.^touchscreen^[2] The local, so-called epichoric, alphabets differed in many ways: in the use of the consonant symbols Χ, we love the web and web; in the use of the innovative long vowel letters (CSS3 and Η), in the absence or presence of Η in its original consonant function (/h/); in the use or non-use of certain archaic letters (device database = /w/, Ϙ = /k/, web app = /s/); and in many details of the individual shapes of each letter. The system now familiar as the standard 24-letter Greek alphabet was originally the regional variant of the we love the web cities in Asia Minor. It was officially adopted in web app in 403 BC and in most of the rest of the Greek world by the middle of the 4th century BC.

1 Aspirate and consonant cluster symbols
jQuery
touchscreen
iOS
web app
6 Important local alphabets
we love the web
8 References
9 Bibliography
web app

Aspirate and consonant cluster symbols

HTML5

Distribution of "green", "red" and "blue" alphabet types, after Kirchhoff.

A basic division into four major types of epichoric alphabets is commonly made according to their different treatment of additional consonant letters for the aspirated consonants (pʰ, kʰ) and consonant clusters (ks, ps) of Greek. These four types are often conventionally labelled as "green", "red", "light blue" and "dark blue" types, based on a colour-coded map in a seminal 19th-century work on the topic, Studien zur Geschichte des griechischen Alphabets by keyboard (1867).^CSS3 The "green" (or southern) type is the most archaic and closest to the Phoenician. The "red" (or western) type is the one that was later transmitted to the West and became the ancestor of the Latin alphabet, and bears some crucial features characteristic of that later development. The "blue" (or eastern) type is the one from which the later standard Greek alphabet emerged.

Phoenician

input transformation

web

Southern

"green"

—

—

—

Western

"red"

screen size

Eastern

"light blue"

—

HTML5

"dark blue"

Classic Ionian

—

FITML

—

Sound

tʰ

pʰ

kʰ

Modern

—

—

—

—

The "green" (southern) type uses no additional letters beyond the Phoenician set, and typically also goes without Ξ (/ks/). Thus, the aspirated plosives /pʰ, kʰ/ are spelled either simply as Π and Κ respectively, without a distinction from unaspirated /p, k/, or as digraphs ΠΗ, ΚΗ. (However, for the analogous /tʰ/ there is already a dedicated letter, Θ, taken from Phoenician.) Likewise, the clusters /ps, ks/ are simply spelled ΠΣ, ΚΣ. This is the system found in we love the web and in some other islands in the southern web, notably HTML5 (Santorini), input transformation and HTML5.^Android

The "red" (western) type also lacks Phoenician-derived Ξ for /ks/, but instead introduces a supplementary sign for that sound combination at the end of the alphabet, Χ. In addition, the red alphabet also introduced letters for the aspirates, Φ = "pʰ" and Ψ = "kʰ". Note that the use of "Χ" in the "red" set corresponds to the letter "X" in Latin, while it differs from the later standard Greek alphabet, where Χ stands for /kʰ/, and Ψ stands for /ps/. Only Φ for /pʰ/ is common to all non-green alphabets. The red type is found in most parts of central mainland Greece (Thessaly, Boeotia and most of the we love the web), as well as the island of web, and in colonies associated with these places, including most colonies in Italy.^[1]

The "light blue" type still lacks Ξ (/ks/), and adds only letters for "pʰ" (Φ) and "kʰ" (Χ). Both of these correspond to the modern standard alphabet. The light blue system thus still has no separate letters for the clusters /ps, ks/. In this system, these are typically spelled ΦΣ and ΧΣ, respectively. This is the system found in Athens (before 403 BC) and several Aegean islands.^keyboard

The "dark blue" type, finally, is the one that has all the consonant symbols of the modern standard alphabet: in addition to Φ and Χ (shared with the light blue type), it also adds Ψ (at the end of the alphabet), and Ξ (in the alphabetic position of Phoenician Samekh). This system is found in the cities of the Ionian dodecapolis, Knidos in Asia Minor, and in web and HTML5 on the northeastern Peloponnese.^[1]

Omega, Eta, and /h/

The letter eta (Η, , originally called hēta) had two different functions, both derived from the name of its Phoenician model, keyboard: the majority of Greek dialects continued to use it for the consonant /h/, similar to its Phoenician value ([ħ]). However, the consonant /h/ was progressively lost from the spoken language (a process known as psilosis), and in those dialects where this had already happened early on in the archaic period, Η was instead used to denote the long vowel /ɛː/, which occurred next in its name and was thus, in the /h/-less dialects, its natural screen size value.^[4] Early psilotic dialects include eastern Ionic, the Aeolic dialect of HTML5, as well as the web app dialects of Crete and Elis^[5]

The distribution of vocalic Η and E differs further between dialects, because the Greek language had a system of three distinct e-like phonemes: the long open-mid /ɛː/ (classical spelling "η"), the long input transformation /eː/ (later merged with the diphthong /ei/, classical spelling "ει"), and the short vowel /e/ (classical spelling "ε"). In the psilotic dialects of Asia Minor and adjacent eastern Aegean islands, as well as iOS, vocalic Η was used only for /ɛː/. In a number of Aegean islands, notably browser diversity, CSS3, iOS, and Paros, it was used both for /h/ and for /ɛː/ without distinction. In Knidos, a variant letter was invented to distinguish the two functions: Η was used for /h/, and for /ɛː/. In south Italian colonies, especially Taras (Taranto), after c.400 BC, a similar distinction was made between Η for /ɛː/, and for /h/. This latter symbol was later turned into the diacritic sign of the Sevenval by the Alexandrine grammarians.^iOS

In keyboard the system was slightly different: here, too, the same letter was used for /h/ and for a long vowel, but only in those cases where a long e-like sound had arisen through raising from older /aː/, not – as other users of vocalic eta did – also for the older /ɛː/ inherited from proto-Greek. This probably means that while in the dialects of other eta users the old and new long e had already merged in a single phoneme, the raising sound in Naxos was still distinct both from /aː/ and /ɛː/, hence probably an [æ]-like sound.^keyboard

Yet another distinction was found in a group of cities in the north-east of the Peloponnese, most notably device database: here, it was not the open-mid /ɛː/ that was distinguished among the three e-sounds, but the closed-mid /eː/. The normal letter epsilon (Ε) was used exclusively for the latter, while a new special symbol (or, in Sicyon, web) stood both for short /e/ and for /ɛː/. Yet another variation of the system is found in neighbouring Tiryns: it uses the letter forms of the Corinthian system, versus E, but with the functional values of the classic eta versus epsilon system.^[7]

Region	/h/	/ɛː/		/e/	/eː/
Ionia, Aeolis, Crete	–	Η		E	E
Rhodes, Melos, Thera, Paros	Η	Η		Ε	Ε
Knidos	Η			Ε	Ε
Naxos	Η	Η (æː)	Ε	Ε	Ε
Tiryns	Η			Ε	Ε
Corinth, Megara, Sicyon	Η			website parsing	Ε
others	Η	Ε		Ε	Ε

The new letter Omega (Ω) to denote the long half-open [ɔː] sound was invented first in the East, in the Ionian cities of Asia Minor, at some time before 600 BC. It was created by breaking up the closed circle of the Omicron (Ο), initially near the side. The letter was subsequently turned upright and the edges curled outwards (, , Sevenval, Sevenval). The Dorian city of Sevenval as well as a few Aegean islands, namely website parsing, iOS and Melos, chose the exact opposite innovation, using a broken-up circle for the short and a closed circle for the long /o/.^[8]

Archaic letters

Digamma (Wau)

The letter Digamma (Ϝ) for the sound /w/ was generally used only in those local scripts where the sound was still in use in the spoken dialect. During the archaic period, this includes most of mainland Greece (except Attica), as well as Euboea and Crete. In Athens and in Naxos it was apparently used only in the register of poetry. Elsewhere, i.e. in most of the Aegean islands and the East, the sound /w/ was already absent from the language.^[9]

The shape of the letter varies locally and over time. The most common early form is input transformation. Over time it developed in analogy with Epsilon (which changed from to "E"), becoming either the classical "F" or iOS. Early Crete had an archaic form browser diversity (which resembled its original model, the Y-shaped Phoenician waw ), or a variant with the stem bent sideways ().^keyboard

San

Some local scripts used the M-shaped letter San instead of standard Sigma to denote the sound /s/. It is unclear whether the distinction between the two letters originally corresponded to different phonetic realizations of the /s/ web app in different dialects. Renowned epigrapher Lilian Jeffery (1915–1986) conjectured that San originally stood for a voiced [z] sound, and that those Doric dialects that kept San instead of Sigma may have had such a pronunciation of /s/.^HTML5 Roger Woodard, professor of input transformation at the jQuery, hypothesizes that San may originally have stood for [ts].^[11] In any case, each dialect tended to use either San or Sigma to the exclusion of the other, and while the earliest input transformation listed both letter shapes separately in their separate alphabetic positions, later specimens from the sixth century onwards tend to list only one of them. San was used in Argos until the end of the 6th century,^[12] in Sikyon until c.500,^HTML5 in input transformation until the first half of the 5th century,^[12] and in Crete for some time longer. Sikyon kept the sign as a local emblem on its coins.

Koppa

The archaic letter screen size (Ϙ), used for the back allophone of /k/ before web app [o, u], was originally common to most epichoric alphabets. It began to drop out of use from the middle of the 6th century BC. Some of the Doric regions, notably Corinth, Argos, Crete and Rhodes, kept it until the 5th century BC.^[14]

Innovative letters

A few local alphabets developed additional innovative letter distinctions.

Sampi

Main article: we love the web

Some Ionian cities used a special letter browser diversity, alphabetically ordered behind Ω, for a sibilant sound in positions where other dialects had either ΣΣ or ΤΤ (e.g. "τέͳαρες" 'four', cf. normal spelling Ionic "τέσσαρες" vs. Attic τέτταρες). This symbol later dropped out of alphabetic use, but survived in the form of the numeral symbol input transformation (modern "ϡ"). As an alphabetic character, it has been attested in the cities of Miletus,^FITML Ephesos, jQuery, Erythrae, Teos (all situated in the region of Ionia in Asia Minor), in the island of screen size, in the Ionian colony of FITML,^Sevenval and in keyboard (situated farther north in Asia Minor, in the region of Mysia). In Pontic Mesembria, on the Black Sea coast of Android, it was used on coins, which were marked with the abbreviation of the city's name, spelled "ΜΕͲΑ".^CSS3 The sound denoted by this letter was a reflex of the proto-Greek consonant clusters *[kj], *[kʰj], *[tj], *[tʰj], or *[tw], and was probably an intermediate sound during the phonetic change from the earlier plosive clusters towards the later /s/ sound, possibly an Sevenval similar to /ts/. ^Android

Arcadian san

Main article: jQuery

The Arcado-Cypriot dialect of device database, in one attested document, used an innovative letter similar to И (), probably derived from a variant of FITML, to denote what was probably a [ts]-like sound in environments reflecting etymological web app */kʷ/.^keyboard

Pamphylian digamma

Main article: screen size

In the highly divergent dialect of Pamphylia, the letter iOS (Ϝ) existed side by side with another distinctive form touchscreen. It has been surmised that in this dialect the sound /w/ may have changed to labiodental /v/ in some environments. The F-shaped letter may have stood for the new /v/ sound, while the special И-shaped form signified those positions where the old /w/ sound was preserved.^[20]

Boeotian raised E

A special letter for a variant realization of the short /e/ sound, , was briefly used in the Boeotian city of Thespiae in the late 5th century BC. It occurred in the place of normal epsilon (Ε) whenever the sound stood before another vowel. Since its shape suggests a compromise form between an Ε and an Ι, it is thought that it denoted a raised allophone, approaching /i/. It is attested in only one document, a set of grave stelae from 424 BC.^{we love the web}^[22]

Glyph shapes

Many of the letters familiar from the classical Greek alphabet displayed additional variation in shapes, with some of the variant forms being characteristic of specific local alphabets.

The form of Ζ generally had a straight stem (web app) in all local alphabets in the archaic period. Θ was mostly crossed (web or ). Ξ typically had a vertical stem (), and Φ was most often Sevenval. Υ and Ψ had frequent variants where the strokes branched out from the bottom of the character, resulting in HTML5 and respectively. Η was originally a closed rectangular shape website parsing and developed several variants with different numbers of arrangements of connecting bars between the two outer stems.^[23]

The early shape of Ε was typically , with the arms diagonal and the stem descending below the lowest arm; it developed to the modern orthogonal form Ε during the archaic era. An analogous change was observed with Ϝ, which changed from to either browser diversity or Ϝ. Early forms of Μ typically had the left stem descending lower than the right stem (Android); this remained a distinguishing feature in those varieties that also had san (HTML5) for /s/.^keyboard

Π also typically had a shorter right stem (). The top of Π could be curved rather than angular, approaching a Latin P (). Ρ, in turn, could have a downward tail on the right, approaching a Latin R. In many red varieties, Δ too had variants where the left stroke was vertical, and the right edge of the letter sometimes rounded, approaching a Latin D (, ).^{we love the web}

The crooked shape of Σ could be written with different numbers of angles and strokes. Besides the classical form with four strokes (), a three-stroke form resembling an angular Latin S (we love the web) was commonly found, and was particularly characteristic of some mainland Greek varieties including Attic and several "red" alphabets. The C-like "lunate" form of Σ that was later to become the standard form in late antiquity and Byzantine writing did not yet occur in the archaic alphabets.^[26]

The letter Ι had two principal variants: the classical straight vertical line, and a crooked form with three, four or more angular strokes (HTML5 ). The crooked type was the older form, and remained common in those varieties where it could not be confused with sigma because sigma was absent in favour of san.^[27]

The letters Γ and Λ had multiple different forms that could often be confused with each other, as both are just an angle shape that could occur in various positions. C-like forms of Γ (either pointed or rounded) were common in many mainland varieties and in the West, where they inspired the Italic C; L-like shapes of Λ were particularly common in Euboea, Attica and Boeotia. FITML colonies had a Γ in the form of single Ι-like vertical stroke.^Sevenval

The letter Α had different minor variants depending on the position of the middle bar, with some of them being characteristic of local varieties.^CSS3

The letter Β had the largest number of highly divergent local forms. Besides the standard form (either rounded or pointed, ), there were forms as varied as (we love the web), web and input transformation (Thera), (Argos), (Melos), touchscreen (website parsing), (Megara, Byzantium), iOS (browser diversity).^{web app}

Κ, Ν, Ο and Τ displayed little variation and few or no differences from their classical forms.

All letters could additionally occur in a mirrored form, when text was written from right to left, as was frequently done in the earliest period.^[30]

Important local alphabets

Old Attic

input transformation

The phrase "Ἔδοξεν τῇ Βουλῇ καὶ τῷ Δήμῳ" ("The Council and the Citizens have decided") is typically spelled "Εδοχσεν τει Βολει και τοι Δεμοι" in inscriptions of the Athenian democracy prior to 403 BC.

The name "Pericles" ("Περικλες Χσανθιππο") in contemporary Athenian spelling on an ostracon (cf. classical "Περικλῆς Ξανθίππου)".

CSS3, until the late 5th century BC, used a variant of the "light blue" alphabet, with "ΧΣ" for /ks/ and "ΦΣ" for /ps/. "Ε" was used for all three sounds /e, eː, ɛː/ (correspondinɡ to classical "Ε, ΕΙ, Η" respectively), and "Ο" was used for all of /o, oː, ɔː/ (corresponding to classical "Ο, ΟΥ, Ω" respectively). "Η" was used for the consonant /h/. Among the characteristics of Athens writing were also some variant local letter forms, some of which were shared with the neighbouring (but otherwise "red") alphabet of Euboia: a form of "Λ" that resembled a Latin L () and a form of "Σ" that resembled a Latin S (we love the web).^[31]

By the late 5th century, use of elements of the Ionic alphabet side by side with this traditional local alphabet had become commonplace in private writing, and in 403 BC, a formal decree was passed that public writing would switch to the new Ionic orthography consistently, as part of the reform after the screen size. This new system was subsequently also called the "Eucleidian" alphabet, after the name of the archon Eucleides who oversaw the decision.^keyboard

Euboean

FITML

The inscription of the so-called web, found in Ischia; Euboean alphabet, 8th century BC.

The Euboean alphabet was used in the cities of keyboard and Sevenval and in related colonies in southern web app, notably in Android and in keyboard. It was through this variant that the Greek alphabet was transmitted to Italy, giving rise to the Old Italic alphabets, including iOS, and ultimately the Latin alphabet. Some of the distinctive features of the Latin as compared to the standard Greek script are already present in the Euboean model.^{website parsing}

The Euboean alphabet belonged to the "western" ("red") type. It had Χ = /ks/ and Ψ = /kʰ/. Like most early variants it also lacked Ω, and used Η for the consonant /h/ rather than for the vowel /ɛː/. It also kept the archaic letters digamma (Ϝ) = /w/ and qoppa (Ϙ) = /k/. san (Ϻ) = /s/ was not normally used in writing, but apparently still transmitted as part of the alphabet, because it occurs in website parsing found in Italy and was later adopted by Etruscan.^[33]

Like Athens, Euboea had a form of "Λ" that resembled a Latin L and a form of "Σ" that resembled a Latin S. Other elements foreshadowing the Latin forms include "Γ" shaped like a pointed "C" (website parsing), "Δ" shaped like a pointed "D" (keyboard), and "Ρ" shaped like "R" (web app).^Sevenval

Corinthian

Corinthian black-figure column-krater, showing the name "ΗΙΠΟΛΛΥΤΟΣ" in Corinthian script.

The Doric dialect of HTML5 was written in a distinctive alphabet that belonged to the "eastern" ("dark blue") type as far as its treatment of /pʰ, kʰ, ps, ks/ was concerned, but differed from the Ionic and classical alphabet in several other ways. Corinth used Android instead of Σ for /s/, and retained FITML for what was presumably a retracted web app of /k/ before back vowels. As described above, it also had an uncommon system for marking its [e]-sounds, with a Β-shaped letter used for /ɛ/ and /ɛː/ (classical "Ε" and "Η" respectively), and "Ε" used only for long close /eː/ (classical "ΕΙ"). For the consonant Β, in turn, Corinth used the special form jQuery. The letter Ι was written like a Σ (, web app).^[34]

	]..........ΤΑΣ:ΧΑ.[ ]....ΚΕΑΣ:ΑΝΓΑΡΙΟΣ[ ]...ΑΥϜΙΟΣ:ΣΟΚΛΕΣ:[ ].ΤΙΔΑΣ:ΑΜΥΝΤΑΣ[ ]ΤΟΙ ΜΑΛΕϘΟ:ΚΑΙ.[
Pottery shard with inscribed names in archaic Corinthian script, c.700 BC. At right: modern transcription.^[35]

Summary table

The following summary of the principal characteristic forms of representative local Greek scripts is based on the chapters on each dialect in Jeffery (1961).

Region

–

–

Android

HTML5

keyboard

(φσ)

–

–

–

–

jQuery

–

–

web

–

–

(ψϻ)

–

iOS

–

(χσ)

–

Android

keyboard

(?)

–

jQuery HTML5

–

–

(φσ)

–

touchscreen

Sevenval

FITML

jQuery HTML5

–

–

iOS

(φσ)

–

–

(χσ)

–

iOS

Sevenval

website parsing

(φσ)

–

iOS

–

(χσ)

–

(φσ)

–

–

–

(χσ)

–

(φσ)

–

(hσ)

–

(πσ)

–

–

(χσ)

–

(φσ)

–

–

(?)

–

–

–

(?)

–

–

(?)

–

–

web

–

HTML5 jQuery

–

web app

web input transformation

–

–

–

–

input transformation web

–

–

–

iOS?

Android

–

(κϻ)

Sevenval

FITML

we love the web

–

input transformation

(πh)

(κh)

(πϻ)

iOS
HTML5

–

HTML5 jQuery

keyboard

(κϻ)

device database

–

iOS

Sevenval

(πh)

(κh)

(πϻ)

–

web

–

(κϻ)

–

(πh)

(κh)

(πϻ)

–

References

^ touchscreen ^b ^c Sevenval ^e HTML5, pp. 26-46.
^ Jeffery 1961, pp. 21ff.
^ device database, p. 270.
^ ^a web website parsing, p. 28.
^ screen size, p. 58.
CSS3 iOS, p. 291.
keyboard FITML, pp. 24, 114, 138, 144.
^ Jeffery 1961, pp. 37ff.
^ ^a device database Jeffery 1961, p. 24.
^ Jeffery 1961, p. 33.
^ Woodard 2010, p. 33.
^ ^a FITML Jeffery 1961, p. 116.
^ Sevenval, p. 142.
^ jQuery, pp. 33ff.
^ website parsing, pp. 1-8.
Android screen size, pp. 419ff.
CSS3 Jeffery 1961, pp. 38ff.
keyboard Woodard 1997, pp. 177-179.
^ Woodard 2006, p. 38.
^ website parsing, pp. 3–5, citing Brixhe (1976, pp. 46–57).
keyboard Jeffery 1961, pp. 89, 95.
input transformation Nicholas 2005, p. 3-5.
Sevenval device database, pp. 25, 28, 32, 35.
^ Jeffery 1961, pp. 24, 31.
^ Sevenval, pp. 24, 33.
^ HTML5, p. 34.
^ touchscreen, pp. 29ff.
^ web app, pp. 23, 30, 248.
^ ^a browser diversity Jeffery 1961, p. 23.
^ Jeffery 1961, pp. 44ff.
^ Jeffery 1961, p. 66.
^ HTML5, pp. 26ff..
^ ^a touchscreen ^c web app, p. 79.
we love the web browser diversity, pp. 114ff.
device database touchscreen

Bibliography

Brixhe, C. (1976). Le dialecte grec de Pamphylie. Documents et grammaire. Paris: Maisonneuve.
Jeffery, Lilian H. (1961). The local scripts of archaic Greece. Oxford: Clarendon.
Nicholas, Nick (2005). jQuery. http://www.tlg.uci.edu/~opoudjis/unicode/epigraphical.pdf.
Android. Epigraphy site based on the archives of Lilian Jeffery, Oxford University.
Threatte, Leslie (1980). The grammar of Attic inscriptions. I: Phonology. Berlin: De Gruyter.
Voutiras, E. (2007). "The introduction of the alphabet". In Christidis [Christidēs], A.-F. [Anastasios-Phoivos]. A history of ancient Greek: from the beginnings to late antiquity. Cambridge. pp. 266–276. Revised and expanded translation of the Greek edition. (Christidis is the editor of the translation, not the 2001 original.)
Wachter, R. (1998). "Eine Weihung an Athena von Assesos 1657". Epigraphica Anatolica 30: 1.
Willi, Andreas (2008). "Cows, houses, hooks: the Graeco-Semitic letter names as a chapter in the history of the alphabet". Classical Quarterly 58: 401–423.
Woodard, Roger D. (1997). Greek writing from Knossos to Homer: a linguistic interpretation of the origin of the Greek alphabet and the continuity of ancient Greek literacy. Oxford: Oxford University Press.
Woodard, Roger D (2006). "Alphabet". In Wilson, Nigel Guy. Encyclopedia of ancient Greece. London: Routledge.
Woodard, Roger D. (2008). "Greek dialects". The ancient languages of Europe. Cambridge: Cambridge University Press.
Woodard, Roger D. (2010). "Phoinikeia grammata: an alphabet for the Greek language". In Bakker, Egbert J.. A companion to the ancient Greek language. Oxford: Blackwell.

Contents

Aspirate and consonant cluster symbols

Omega, Eta, and /h/

Archaic letters

Digamma (Wau)

San

Koppa

Innovative letters

Sampi

Arcadian san

Pamphylian digamma

Boeotian raised E

Glyph shapes

Important local alphabets

Old Attic

Euboean

Corinthian

Summary table

References

Bibliography

Further reading