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Google圖書搜尋
Tuberculosis of Cattle and the Pennsylvania Plan for Its Repression
Leonard Pearson
Mazÿck Porcher Ravenel
Bernhard Lauritz Frederick Bang
出版
Wm. Stanley Ray, State Printer of Pennsylvania
, 1901
URL
http://books.google.com.hk/books?id=dJU0AQAAMAAJ&hl=&source=gbs_api