| 引用出处 | Westcott, S. 1997 The grey seals of the West Country and their neighbors. Stephen Westcott in cooperation with the Cornwall Wildlife Trust, Truro, Cornwall. 91 pp. |
| DOI / ISBN | |
| 文件网址 | |
| Ref. No. | 78794 |
| 语言 | English |
| 用法 | not seen |
| 附注 | |
| 寻找这个参考文献在 | Google Scholar | Scirus | Species used from this reference |
| Cross references | 1522 |