@BOOK{ Book!D - 104996175,
AUTHOR = " by J.F. Ragep",
TITLE = "Nasir al - Din al- Tusi's Memoir on Astronomy ( Tadhkira fi ilm al - hay'a)",
LIBRARY= "كتابخانه بنياد دايرة المعارف اسلامی",
SUBJECT = "Astromony, Arab - Early Works to 1800,Astronomy - Iran - Biography",
URL = "/book/104996175/Nasir-al-Din-al-Tusis-Memoir-on-Astronomy-Ta/"}