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Google圖書搜尋
A Spray for Destroying Overwintering Larvae of the Codling Moth on Apple Tree Trunks
Merrill Arthur Yothers
F. W. Carlson
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=jzTYvAEACAAJ&hl=&source=gbs_api