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Google圖書搜尋
A Study of Experiments Covering the Factors Affecting the Coefficient of Friction, and a Proposed Outline for a Further Test of These Factors
George Andrew Hawkins
出版
Purdue University
, 1930
URL
http://books.google.com.hk/books?id=tiog0AEACAAJ&hl=&source=gbs_api