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Cycle-time Equation for the Koller K300 Cable Yarder Operating on Steep Slopes in the Northeast

Neil K. Huyler

出版	Northeastern Forest Experiment Station, USDA Forest Service, 1997
URL	http://books.google.com.hk/books?id=SnT-w7LL64sC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN