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Energy on the Farm : Principles and Applications
Ontario. Ministry of Agriculture and Food
T. M. (Terrence Michael) Rothwell
University of Guelph. University School of Continuing Education
出版
University of Guelph, University School of Continuing Education
, 1990
URL
http://books.google.com.hk/books?id=vXYONAEACAAJ&hl=&source=gbs_api