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Experiments with DDT for the Control of the European Corn Borer Infesting Sweet Corn at Toledo, Ohio, in 1944

C. H. BatchelderDavid Dewitt Questel

出版	U.S. Department fo Agriculture, Agricultural Research Administration, Bureau of Entomlogy and Plant Quarantine, 1945
URL	http://books.google.com.hk/books?id=xWMaMwEACAAJ&hl=&source=gbs_api