| 其他書名 | June 22-26, 1981, San Diego, California, San Diego State University |
| 出版 | U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1982 |
| URL | http://books.google.com.hk/books?id=qf_hO_vxM6gC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |