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Google圖書搜尋
The Complete Elimination of "slippage" Along Every Component of the Tracer Arm of Amsler's Planimeter
Alexander Gall
Caroline Garrecht
Ewart Inglis Gale
Gertrude Fried
Harry Frumerman
Louis Friedman
Miriam Fromovice
Russell Freeman
William Friedman
出版
1934
URL
http://books.google.com.hk/books?id=9t3VugEACAAJ&hl=&source=gbs_api