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Dairy Cow Nutrition: The Veterinary Angles - Proceedings of a Conference Held at Dept. of Agriculture, University of Reading, Reading, 14 September 1989

University of Reading. Department of Agriculture. Veterinary Epidemiology and Economics Research Unit

出版	1989
URL	http://books.google.com.hk/books?id=RtEAcgAACAAJ&hl=&source=gbs_api