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Feeding Trials of Velvet-bean Feed, Palm-kernel Meal and Various Grain Mixtures, for Dairy Cows

J. J. HooperJ. W. Nutter

出版	University of Kentucky, Kentucky Agricultural Experiment Station, 1918
URL	http://books.google.com.hk/books?id=lh2QHAAACAAJ&hl=&source=gbs_api