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An Economic Study of Range Sheep Production on the Red Desert and Adjoining Areas

Alonzo Frederick VassAugust Levi NelsonCharles Harold GilbertClifford Leon CorkinsElizabeth J. McKittrickGlen HartmanHarold Sibley WillardOtto McCrearyRay Sanford Towle

出版	University of Wyoming, Agricultural Experiment Station, 1927
URL	http://books.google.com.hk/books?id=oJVRAQAAMAAJ&hl=&source=gbs_api