| 其他書名 | A Center for Research on Improvement and Management of Semidesert Rangelands |
| 出版 | Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, 1966 |
| URL | http://books.google.com.hk/books?id=FTq0zScoKPQC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |