| 其他書名 | A Regional Technical Conference, Logan, Utah, November 6-7, 1984 |
| 出版 | U.S. Department of Agriculture, Forest Service, Intermountain Research Station, 1985 |
| URL | http://books.google.com.hk/books?id=fYYBl29zH4MC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |