| 其他書名 | A Directory of Selected USDA and State Projects in CRIS |
| 出版 | U.S. Department of Agriculture Cooperative State Research Service, Current Research Information System, 1991 |
| URL | http://books.google.com.hk/books?id=y5O63rObIJgC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |