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Fifty-year records of virgin stand development in southwestern ponderosa pine
Charles C. Avery
Frederic Roger Larson
Gilbert Herman Schubert
出版
U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station
, 1976
URL
http://books.google.com.hk/books?id=WP0TAAAAYAAJ&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN
