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Preliminary Tests with Certain N-substituted P-bromogenzen-sulfonamides and P-toluenesulfonamides for Synergistic Action in Pyrethrum Fly Spays

出版	U.S. Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1950
URL	http://books.google.com.hk/books?id=ZodHAQAAIAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN