| 其他書名 | A Technical Document Supporting the 2000 USDA Forest Service RPA Assessment |
| 出版 | U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2000 |
| URL | http://books.google.com.hk/books?id=wGYbCnFvsB0C&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |