| Avaa | Westman, Kai Pursiainen, Markku
| Size and structure of crayfish (Astacus astacus) populations on different habitats in Finland | | artikkeli | rapu, raputalous | Dr. W. Junk Publishers | Netherlands | 1982 | 6 | | | Eripainos: Hydrobiologia 86, s... | G-Ravut, ravustus (avokotelo 1) |