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Google圖書搜尋
The Stem Rust Epidemic of 1935 in Nebraska
George L. Peltier
Marion Yount
Coit A. Suneson
出版
Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture
, 1936
URL
http://books.google.com.hk/books?id=s_x_0AEACAAJ&hl=&source=gbs_api