1. Aaboe, A. 1965. ‘On Period Relations in Babylonian Astronomy’Centaurus 10: 213–231.
2. Aaboe, A.;Britton, J. P.;Henderson, J. A.;Neugebauer, O.; &Sachs, A. J. 1991.Saros Cycle Dates and Related Babylonian Astronomical Texts. Transactions of the American Philosophical Society 81.6. Philadelphia: American Philosophical Society.
3. Allan, D. J. 1995. ed.Aristotelis de caelo. Oxford: Clarendon Press.
4. Archimedes.De lineis spiralibus. SeeHeiberg 1910–1923, ii (with Latin trans.);Mugler 1970–1972, ii (with French trans.).
5. Aristotle.De caelo. SeeAllan, 1995.