| Citation | University of Helsinki, 2007. Fish survey database COBRA (Coordination Organ for Baltic Reference Areas). The data from the University of Helsinki, Finland. University of Helsinki, PO Box 33, FIN-00014 University of Helsinki, Finland. |
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| Ref. No. | 58405 |
| Language | English |
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| Find this reference in | Google Scholar | Scirus | Species used from this reference |