| 其他書名 | Perspectives in the Southwestern United States and Northern Mexico : April 27-30, 1992, Sierra Vista, Arizona |
| 出版 | U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1992 |
| URL | http://books.google.com.hk/books?id=iCAXpzHSN0cC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |