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Google圖書搜尋
Estimating Northern Red Oak Crown Component Weights in the Northeastern United States
Robert M. Loomis
Richard W. Blank
North Central Forest Experiment Station (Saint Paul, Minn.)
出版
North Central Forest Experiment Station, Forest Service, U.S. Department of Agriculture
, 1981
URL
http://books.google.com.hk/books?id=QCtZ0AEACAAJ&hl=&source=gbs_api