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A Treatise on Spherical Trigonometry with Applications to Spherical Geometry and Numerous Examples ...

William J. M'ClellandThomas Preston

出版	MacMillan, 1897
URL	http://books.google.com.hk/books?id=4tI2b6X2FhQC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN