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Economics of Grain Drying at Kansas Local Elevators

J. C. EilandFarmer Cooperative Service, U.S. Department of AgricultureL. Orlo Sorenson

出版	Farmer Cooperative Service, 1961
URL	http://books.google.com.hk/books?id=5XxZ0AEACAAJ&hl=&source=gbs_api