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Refraction and how to Refract
James Thorington
其他書名
Including Sections on Optics, Retinoscopy, the Fitting of Spectacles and Eye-glasses, Etc
出版P. Blakiston's Son & Company, 1904
URLhttp://books.google.com.hk/books?id=Ky9GAQAAMAAJ&hl=&source=gbs_api