| 其他書名 | Proceedings of the Conference : Jackson, Wyoming, May 8-11, 1991 |
| 出版 | U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station, 1992 |
| URL | http://books.google.com.hk/books?id=-3JeZTHAlXEC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |