1. Heavy metal load of Lake Iidesjarvi as reflected in its sediments;Alhonen;Aqua Fennica,1986
2. Sulphur dioxide pollution in the border area between Russia and Norway;Baklanov,1992
3. Concentrations of heavy metals in superficial lake sediments of Pechenga district Murmansk region, Russia;Dauvalter;Vatten,1992
4. Heavy metals in lake sediments of the Kola Peninsula, Russia;Dauvalter;Sci. Total Environ.,1994
5. Heavy metal concentrations in lake sediments as an index of freshwater ecosystem pollution;Dauvalter,1997