| 其他書名 | Papers from the Seventh Woodcock Symposium Held at the Pennsylvania State University, University Park, Pennsylvania, 28-30 October 1980 |
| 出版 | U.S. Department of the Interior, Fish and Wildlife Service, 1981 |
| ISBN | 08236045009780823604500 |
| URL | http://books.google.com.hk/books?id=3rdGswEACAAJ&hl=&source=gbs_api |