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The Selection of Plus Trees on the University of British Columbia Research Forest, Haney, B.C.
J. Soos
J. Walters
University of British Columbia. Faculty of Forestry
Haddock, P. G
出版
University of British Columbia, Faculty of Forestry
, 1960
URL
http://books.google.com.hk/books?id=h9HzSgAACAAJ&hl=&source=gbs_api