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Google圖書搜尋
Experiments in Dusting Versus Spraying on Apples and Peaches in Connecticut in 1921
Wilton Everett Britton
Ernest Marion Stoddard
Max Pail Zappe
出版
Connecticut Agricultural Experiment Station
, 1922
URL
http://books.google.com.hk/books?id=n_FFAQAAMAAJ&hl=&source=gbs_api
