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Crop Insurance and Information Services to Control Use of Pesticides

J. A. MiranowskiUlrich F. W. ErnstFrancis H. Cummings

出版	U.S. Government Printing Office, 1974
URL	http://books.google.com.hk/books?id=JIcI3-AGR-MC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN