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出版17??
URLhttp://books.google.com.hk/books?id=XceWZz30Kb4C&hl=&source=gbs_api
註釋"Abridgement by the author" of "Irshād al-ḥāʼir ... a treatise on sundial theory with tables for latitude 30°, Cairo." David A. King, A Survey of the Scientific Manuscripts in the Egyptian National Library (Winona Lake, 1986), p. 73.