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Google圖書搜尋
Investigations on the Handling of Bartlett Pears from Pacific Coast Districts
John Robert Magness
Helmut Charles Diehl
Frank Wisdom Allen
出版
U.S. Department of Agriculture
, 1929
URL
http://books.google.com.hk/books?id=dOY1zgEACAAJ&hl=&source=gbs_api