1. Oldfather C. H. Diodorus of Sicily Library of History transl. (Harvard Univ. Press Cambridge MA 1954) §14.41.3-14.42.2 with modifications. See also §14.50.4.
2. Marsden E. W., Greek and Roman Artillery: Historical Development (Clarendon Press, Oxford, 1969).
3. Garlan Y. Recherches de poliorcétique grecque (École Française d'Athènes Paris 1974).
4. Baatz D., Bauten und Katapulte des römischen Heeres (F. Steiner, Verlag, Stuttgart, 1994).
5. Philo Belopoietics (13) §50. Unless otherwise indicated translations are taken from (13) and modified.