| Citation | Helle, E. 1979 Growth and size of the ringed seal Phoca (Pusa) hispida Schreber in the Bothnian Bay, Baltic. Z. Säugetierkunde 44:208-220. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 3748 |
| Language | English |
| Usage | abstract only |
| Comments on the publication | |
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