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Cattle-fever Ticks and Methods of Eradication

Charles Dwight MarshCharles Vivion WhalinD. F. FisherJohn William RobertsRob Roy SlocumStephen Oscar JayneWilliam Penn Ellenberger

出版	U.S. Department of Agriculture, 1921
URL	http://books.google.com.hk/books?id=Lj1BIRw5MHwC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN