| 其他書名 | Current Status of Research : May 17-18, 1992, Berkeley, California |
| 出版 | U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station, 1992 |
| URL | http://books.google.com.hk/books?id=Ysb5YOkx85wC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |