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The 1932 Outbreak of Foot-and-mouth Disease in Southern California
John Robbins Mohler
Rudolph Snyder
出版
U.S. Department of Agriculture
, 1933
URL
http://books.google.com.hk/books?id=L_wz8COd-XkC&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN
