Abbas bin Saîd Cevherî (Turkish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Abbas bin Saîd Cevherî" in Turkish language version.

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Selin, Helaine (2008). Encyclopaedia of the history of science, technology, and medicine in non-western cultures. Berlin New York: Springer. s. 129. ISBN 9781402049606. Probably of Iranian origin, al-˓Abbās Ibn Sa˓īd al-Jawharī was one of the court astronomers/astrologers of Caliph al-Ma˒mūn (r. 813–833) in charge of the construction of astronomical instruments.