| Authors(s) | Piersma T. and Van Eerden M.R. |
| Year | 1989 |
| Title | Feather-eating in Great Crested Grebes Podiceps cristatus: a unique solution to the problem of debris and gastric parasites in fish-eating birds. Ibis 131: 477-486 |
| Authors(s) | Piersma T. and Van Eerden M.R. |
| Year | 1989 |
| Title | Feather-eating in Great Crested Grebes Podiceps cristatus: a unique solution to the problem of debris and gastric parasites in fish-eating birds. Ibis 131: 477-486 |