| 其他書名 | Steps Toward Stewardship : Conference Proceedings, Flagstaff, AZ, April 25-27, 2000 |
| 出版 | U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2001 |
| URL | http://books.google.com.hk/books?id=9KZGAQAAIAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |