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Google圖書搜尋
Wentworth's Plane Geometry. (Solid Geometry) Revised by George Wentworth and David Eugene Smith
George WENTWORTH (Mathematician.)
出版
Boston [Mass.
, 1910
URL
http://books.google.com.hk/books?id=LjDjMgEACAAJ&hl=&source=gbs_api