| 其他書名 | Sixth World Wilderness Congress Proceedings on Research, Management, and Allocation |
| 出版 | U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 1998 |
| URL | http://books.google.com.hk/books?id=ufnwAAAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |