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Field Studies on Effect of DDT on Aquatic Insects

C. H. HoffmannH. K. TownesReece Ivan SailerH. H. Swift

出版	U. S. Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1946
URL	http://books.google.com.hk/books?id=HxIvMwEACAAJ&hl=&source=gbs_api