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Google圖書搜尋
Rooting Greenwood Cuttings of Sugar Maple
William J. Gabriel
Northeastern Forest Experiment Station (Radnor, Pa.)
James Wallace Marvin
Fred H. Taylor
其他書名
Effect of Clone and Medium
出版
Northeastern Forest Experiment Station
, 1961
URL
http://books.google.com.hk/books?id=qr21MgAACAAJ&hl=&source=gbs_api