Suggested Topics within your search.
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Science
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1by Descartes, René, 1596-1650
Published 1953[Leningrad] Izd-vo Akademii nauk SSSR, 1953.656 p. illus. 22 cm.Subjects: “...Refraction....”
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2Published 1975New Delhi : National Institute of Health Administration and Education, 1975.23 p. ; 27 cm.Subjects: “...Eye Refractive errors India....”