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كتاب الدرر في حل مقومات الشمس والقمر
註釋"A faṣl on the use of the solar tables" in Ibn al-Majdī's Kitāb al-durr al-yatīm fī tashīl al-taqwīm "for compiling annual ephemerides of the sun." David A. King, A Survey of the Scientific Manuscripts in the Egyptian National Library (Winona Lake, 1986), p. 72.