| Authors(s) | Kubetzki U., Garthe S. and Hüppop O. |
| Year | 1999 |
| Title | The diet of common gulls Larus canus breeding on the German North Sea coast. Atlantic Seabirds 1: 57-70 |
| Authors(s) | Kubetzki U., Garthe S. and Hüppop O. |
| Year | 1999 |
| Title | The diet of common gulls Larus canus breeding on the German North Sea coast. Atlantic Seabirds 1: 57-70 |