1. Kilkus, K., Geography of Water Basins of Lithuania, Vilnius: Mokslas, 1998, p. 349.
2. Garunkshtis, A., Vodnye zapasy Litvy (Water Reserves of Lithuania), Vilnius: Mokslas, 1988.
3. State Scientific Programme “Ignalina Power Plant and the Environment”, Collection of Scientific Reports, 1993–1997, Vilnius, 1997 (in Lithuanian).
4. Kucinskiene, A., Microbiological Investigations of Sulfate Reduction Process in the Baltic Sea Under Anthropogenic Impact Conditions, Acta Hydrobiologica Lituanica, 2000, no. 11, pp. 64–72 (in Lithuanian).
5. Dzyuban, A.N., Intensity of the Microbiological Processes of the Methane Cycle in Different Types of Baltic Lakes, Mikrobiologiya, 2002, vol. 71, no. 1, pp. 111–118 [Microbiology (Engl. Transl.), 2002, vol. 71, no. 1, pp. 98–104].