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Corn, Barley, and Bonemeal For Fattening Cattle Rations in the Snake River Valley, Oregon
E. N. HoffmanOregon State University. Agricultural Experiment Station
出版Agricultural Experiment Station, Oregon State College, 1952
URLhttp://books.google.com.hk/books?id=78kxzgEACAAJ&hl=&source=gbs_api