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Fazlıoğlu 2007, p. 946. Fazlıoğlu, İhsan (2007). "Qunawī: Muḥammad ibn al‐Kātib Sīnān al‐Qunawī". In Thomas Hockey; Virginia Trimble; Thomas R. Williams; Katherine Bracher; Richard A. Jarrell; Jordan D. MarchéII; JoAnn Palmeri; Daniel W. E. Green (eds.). The Biographical Encyclopedia of Astronomers. New York: Springer. pp. 945–946.