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Google圖書搜尋
Root Competition Between Ponderosa Pine Seedlings and Grass
Merlyn Milfred Larson
Gilbert Herman Schubert
出版
Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture
, 1969
URL
http://books.google.com.hk/books?id=MGQdfWk8-H4C&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN
