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Google圖書搜尋
Statement on 1947 Japanese Beetle Collections and Proposed 1948 Quarantine Program
United States. Bureau of Entomology and Plant Quarantine
出版
United States Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine
, 1947
URL
http://books.google.com.hk/books?id=l5W60AEACAAJ&hl=&source=gbs_api