| 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. Pisc. 19(2):21-28. |
| DOI | http://dx.doi.org/ |
| Paper URL | |
| Address | |
| Ref. No. | 75612 |
| Language | English |
| Usage | used completely |
| Comments | |
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