| 其他書名 | theme : the Welder Wildlife Foundation research program : the first 22 years, October 14, 1978 ... Corpus Christi, Texas |
| 出版 | Rob and Bessie Welder Wildlife Foundation, 1979 |
| 主題 | Wildlife conservationWildlife research |
| URL | http://books.google.com.hk/books?id=GmuOkL59D1wC&hl=&source=gbs_api |