al-Shukūk ʻalá Baṭlamyūs : (Dubitationes in Ptolemaeum) / edited by A.Sabra and N. Shehaby.

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Ptolemy, active 2nd century. Optica.

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al-Shukūk ʻalá Baṭlamyūs : (Dubitationes in Ptolemaeum) / edited by A.Sabra and N. Shehaby.