| Authors(s) | Mason C.F. and MacDonald S.M. |
| Year | 1986 |
| Title | Otters: ecology and conservation. Cambridge University Press, Cambridge, 236pp |
| Authors(s) | Mason C.F. and MacDonald S.M. |
| Year | 1986 |
| Title | Otters: ecology and conservation. Cambridge University Press, Cambridge, 236pp |