Recherche avancée
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Abū al-Wafā' and the Heron Theorems
Date : 1979
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The Astrological Doctrine of Projecting the Rays
Date : 1972
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The Arabic Heritage in the Exact Sciences
Date : 1970
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The Equatorium of Abū Al-Salt
Date : 1970
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Al-Bīrūnī on determining the Meridian
Date : 1963
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Late medieval Planetary Theory
Date : 1966
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Parallax Theory in Islamic Astronomy
Date : 1956
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Comets in Islamic Astronomy and Astrology
Date : 1957