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Spruce-hemlock Forest Shows Prodigious Growth
Philip Anthes Briegleb
Theodore Kachin
Leo Anthony Isaac
Fremont McComb
Thornton Taft Munger
出版
Pacific Northwest Forest Experiment Station
, 1940
URL
http://books.google.com.hk/books?id=5Sh7AQAACAAJ&hl=&source=gbs_api