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Life History of the Codling Moth in the Yakima Valley of Washington

Erval Jackson NewcomerWarren Draper Whitcomb

出版	U.S. Department of Agriculture, 1924
URL	http://books.google.com.hk/books?id=CEDMgeFTIcEC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN