Neugebauer, O. (1969). The Exact sciences in antiquity (2nd ed.). New York: Dover Publications Inc..
Παραπομπή Chicago StyleNeugebauer, Otto. The Exact Sciences in Antiquity. 2nd ed. New York: Dover Publications Inc., 1969.
Παραπομπή MLANeugebauer, Otto. The Exact Sciences in Antiquity. 2nd ed. New York: Dover Publications Inc., 1969.
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