| Citation | Olsen, M. and A. Bjørge, 1992. Diet of the harbour seal, Phoca vitulina, in the Hvaler area in 1990 and 1991, compared to the abundance of fish in the area. ICES (19):1-15. |
| DOI / ISBN | |
| PDF/Reference URL | |
| Ref. No. | 49351 |
| Language | English |
| Usage | not used yet |
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