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^Shahid Rahman; Tony Street; Hassan Tahiri, eds. (2008). "The Birth of Scientific Controversies, The Dynamics of the Arabic Tradition and Its Impact on the Development of Science: Ibn al-Haytham's Challenge of Ptolemy's Almagest". The Unity of Science in the Arabic Tradition. 11. Springer Netherlands. pp. 183–225 [183]. doi:10.1007/978-1-4020-8405-8. ISBN978-1-4020-8404-1.
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^Goldstein, Bernard R. (1997). "Saving the Phenomena: The Background to Ptolemy's Planet