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An Appraisal of Range Survey Methods from the Standpoint of Effective Range Management
Elbert Hann Reid
其他書名
A Preliminary Range Research Report
出版U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1942
URLhttp://books.google.com.hk/books?id=5SutGwAACAAJ&hl=&source=gbs_api