| Citation | Petrova, G. and M. Zivkov, 1993. Age and growth of pike perch (Stizostedion lucioperca (L.) in the Ovcharitsa cooling reservoir. Hydrobiology 38:23-35. (in Bulgarian, English summary). |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 90125 |
| Language | Other language |
| Usage | not seen |
| Remarks | |
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