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Growth and Yield Model for the Elm-ash-cottonwood Type in Indiana

Stephen R. Shifley

出版	U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station, 1982
URL	http://books.google.com.hk/books?id=QjPzn21xHssC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN