| 其他書名 | Timber Harvesting and Transport Simulator with Subroutines for Appalachian Logging |
| 出版 | Forest Service, U.S. Department of Agriculture, Northeastern Forest Experiment Station, 1975 |
| URL | http://books.google.com.hk/books?id=gY5Y0AEACAAJ&hl=&source=gbs_api |