| Authors(s) | Bekker D.L. and Nolet B.A. |
| Year | 1990 |
| Title | The diet of otters Lutra lutra in the Netherlands in winter and early spring. Lutra 33(2):134-144 |
| Authors(s) | Bekker D.L. and Nolet B.A. |
| Year | 1990 |
| Title | The diet of otters Lutra lutra in the Netherlands in winter and early spring. Lutra 33(2):134-144 |