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Google圖書搜尋
The Causes of Logging Truck Delays on Two West Virginia Logging Operations
John E. Baumgras
Northeastern Forest Experiment Station (Radnor, Pa.)
出版
Forest Service, U.S. Department of Agriculture, Northeastern Forest Experiment Station
, 1978
URL
http://books.google.com.hk/books?id=RbxX0AEACAAJ&hl=&source=gbs_api