| 其他書名 | Tree and Bole Weights, Volumes, Centers of Gravity, and Logging Residue |
| 出版 | U.S. Department of Agriculture, Forest Service, North Central Forest Experiment Station, 1976 |
| URL | http://books.google.com.hk/books?id=4pPYifMS7RsC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |