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Plane Geometry. (Solid Geometry.) By W. Betz ... and H.E. Webb ... With the Editorial Coöperation of Percey F. Smith

William BEZT (and WEBB (Harrison Emmett))

出版	Boston [1912, 16], 1912
URL	http://books.google.com.hk/books?id=UXMOMwEACAAJ&hl=&source=gbs_api