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Protecting Plants in the Home Yard from Injury by the Japanese Beetle

Walter Ernest FlemingFrederick William MetzgerMax Raymond Osburn

出版	U.S. Department of Agriculture, 1934
URL	http://books.google.com.hk/books?id=99FY4abf-AsC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN