links.jstor.org/sici?sici=0021-1753(199009)81%3A3%3C464%3AAPIAIS%3E2.0.CO%3B2-D. Retrieved 2007-10-10. ^ Elizabeth, Hazel. “902AD Manuscript Located”. Tareq Rajab Museum, Kuwait. http://www.trmkt.com/902manu.html. Retrieved 2007-10-10. ^ For extensive references, see the Book of Optics article. ^ Kriss, Timothy C.; Kriss, Vesna Martich (April 1998), “History of the Operating Microscope: From Magnifying Glass to Microneurosurgery”, Neurosurgery 42 (4): 899907, doi:10.1097/00006123-199804000-00116 ^ “De iride”. http://www.grosseteste.com/cgi-bin/textdisplay.cgi?text=de-iride.xml. Retrieved [...]
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