| 其他書名 | Proceedings of a Conference Held at the University of Illinois, Urbana-Champaign, Illinois, April 1-3, 2002 |
| 出版 | North Central Research Station, Forest Service, U.S. Department of Agriculture, 2003 |
| URL | http://books.google.com.hk/books?id=7Np2namj5g0C&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |