Tetrabiblos
Claudius Ptolemaeus
Claudius Ptolemaeus. Claudii Ptolemaei opera quae exstant omnia, Volume 3.1. Boll, Franz, and Boer, Emilie, editors. Leipzig: Teubner, 1954.
ἰδίως δὲ πάλιν, ἐὰν ἡ σελήνη τὸν πρακτικὸν τόπον ἐπισχῇ
Claudius Ptolemaeus. Claudii Ptolemaei opera quae exstant omnia, Volume 3.1. Boll, Franz, and Boer, Emilie, editors. Leipzig: Teubner, 1954.
ἰδίως δὲ πάλιν, ἐὰν ἡ σελήνη τὸν πρακτικὸν τόπον ἐπισχῇ