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Investigations Relative to Arsenical Dips as Remedies for Cattle Ticks

Brayton Howard RansomHarry Webster Graybill

出版	U.S. Department of Agriculture, Bureau of Animal Industry, 1912
URL	http://books.google.com.hk/books?id=B4c-AAAAYAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN