| Citation | Witkowski, A., J. Blachuta, B. Kokurewicz and M. Kowalewski, 1989, Changes of gonadosomatic intex (GSI) and egg diameter in the grayling Thymallus thymallus (L.) in annual cycle.. Acta Ichthyol. Piscat. 19(2):21-28. |
| Ref. | 75612 Witkowski, A., J. Blachuta, B. Kokurewicz and M. Kowalewski, 1989 |
| Page | |
| Named Used as Valid | Thymallus thymallus |
| Comment | |
| Locality | |
| Distribution | |
| Quote |