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Proceedings of the Symposium on Oak Woodlands and Hardwood Rangeland Management, October 31-November 2, 1990, Davis, California

出版	U.S. Department of Agriculture, Pacific Southwest Research Station, 1991
URL	http://books.google.com.hk/books?id=Dmh7PCemuccC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN