1976, National planning for informatics in developing countries: proceedings of the IBI International Symposium, Baghdad, 2-6 November 1975, page 472:
[...] we obtain the following order:
- Space, followed by 15 symbols ;
[...] ¶
- One symbol followed by Lower Case Latin Alpha
2004, Keith A. Jones, Windows Speech Recognition Programming, Appendix D, page 329:
ae at, carry, gas front open unrounded (tense) LATIN AE U+00E6
aa Father, ah, car, back open unrounded LATIN ALPHA U+0251
2006, Jukka K. Korpela, Unice Explained, page 451:
The most obvious case is that IPA includes both the common (ASCII) letter "a" and a variant of the letter "a" that denotes a vowel of different quality. The latter letter is oddly named: Latin small letter alpha ɑ (U+0251).