| Citation | Severin, S.O., 1985, Karyological analysis of three populations of grayling, Thymallus thymallus, in the Kama Basin.. J. Ichthyol. 25(6):135-146. |
| Ref. | 33725 Severin, S.O., 1985 |
| Page | 135-146 |
| Named Used as Valid | Thymallus thymallus |
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