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Simulation of Grazing Systems
K. R. Christian
Centrum voor Landbouwpublikaties en Landbouwdocumentatie (Netherlands)
出版
Centre for Agricultural Publishing and Documentation
, 1978
ISBN
902200645X
9789022006450
URL
http://books.google.com.hk/books?id=xmtCAAAAYAAJ&hl=&source=gbs_api