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Schechner, Sara J. (2005). "Between Knowing and Doing: Mirrors and their Imperfections in the Renaissance". Early Science and Medicine. 10 (2): 137–162. doi:10.1163/1573382054088187. JSTOR4130308.
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Criminisi, Antonio; Stork, David G. (2004). "Did the great masters use optical projections while painting? Perspective comparison of paintings and photographs of Renaissance chandeliers". In Kittler, J.; Petrou, M.; Nixon, M.S. (eds.). Proceedings of the 17th International Conference on Pattern Recognition(PDF). Vol. 4. IEEE. pp. 645–8. ISBN978-0769521282. Archived from the original(PDF) on 2006-12-29.