1. Abakumov, V.A., Svirskaya, N.L., and Igolkina, E.D., Changes in the Structure of Zooplankton Communities in Conditions of Anthropogenic Acidification of Lakes, Problemy ekologii Pribaikal?ya. Tez. dokl. III Vsesoyuz. nauch. konf. (Problems of Baikal Region Ecology. Proc. III All-Union Scientific Conf.), Irkutsk, 1988, part 3, p. 3.
2. Andronnikova, I.N., Sovremennye problemy izucheniya vetvistousykh rakoobraznykh (Current Problems of Studying Cladocerans), St. Petersburg: Gidrometeoizdat, 1992, pp. 81?99.
3. Barmuta, L.A., Cooper, S.D., Hamilton, S.K., Kratz, K.W., and Melack, G.M., Responses of Zooplankton and Zoobenthos to Experimental Acidification in a High-Elevation Lake (Sierra Nevada, California, U.S.A.), Freshwater Biol., 1990, vol. 23, no. 3, pp. 571?586.
4. Davis, P. and Ozburn, G., The pH Tolerance of Daphnia pulex, Can. J. Zool., 1969, vol. 47, pp. 1173?1175.
5. Giddings, J.M., Effects of the Water-Soluble Fraction of a Coal-Derived Oil on Pond Microcosm, Arch. Environ. Contam. Toxicol., 1982, vol. 11, pp. 735?741.