| Citation | Rathcke, P.-C., 1984, Bestandskundliche Untersuchungen an Fischen des Alsterbeckens.. M.Sc. thesis, Univ. Hamburg, Inst. Hydrobiol. Fischereiwiss. 171 p. |
| Ref. | Rathcke, P.-C., 1984 |
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| Named Used as Valid | Gymnocephalus cernuus |
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