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Development of New Methods to Determine the Relationships Between the Draft Requirement, and the Fundamental Factors Affecting the Draft Requirements, of Tillage Tools

Baba Telischi

出版	Michigan State College of Agriculture and Applied Science. Department of Agricultural Engineering, 1954
URL	http://books.google.com.hk/books?id=1hjJLgXAlFsC&hl=&source=gbs_api