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Levels-of-growing-stock Cooperative Study in Douglas-fir
Gerald Eugene HoyerNorman A. Andersen (Forest researcher)David D. Marshall
其他書名
The Francis study, 1963-90
出版U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1996
URLhttp://books.google.com.hk/books?id=ymIf_OdbDXoC&hl=&source=gbs_api
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