| Avaa | Jurvelius, Juha
Heikkinen, T.
| The pelagic fish density, biomass and growth of vendace, Coregonus albula L., monitored by hydroacoustic methods and trawling in a Finnish lake | | artikkeli | kaikuluotaus, kalabiologia, muikku, pelaginen ympäristö, troolikalastus | | | 1987 | 8 | | | Eripainos: Aqua Fennica 17,1 1... | I-Kalatutkimus: Muikku (avokotelo 4) |