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Logging Damage in Thinned, Young-growth True Fir Stands in California and Recommendations for Prevention

出版	U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1983
URL	http://books.google.com.hk/books?id=1xVo7zeuwXIC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN