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Google圖書搜尋
Exploratory Field Investigation of Ground Penetration by Aerial Planting-darts and Subsequent Germinant Survival
National Aeronautical Establishment (Canada)
A. D. Wood
出版
National Research Council Canada = Conseil national de recherches Canada
, 1983
URL
http://books.google.com.hk/books?id=LQmPNQEACAAJ&hl=&source=gbs_api