1. Gak D. Z., Inkina G. A. Bacterioplankton of the Volga and its reservoirs in June–July 1972. Water Resources, 1975, no. 1, pp. 109–118 (in Russian).
2. Dzyuban A. N. Primary production, destruction of organic matter and the abundance of bacteria in the water of the Saratov reservoir. Hydrobiological Journal, 1977, vol. 13, no. 1, pp. 14–19 (in Russian).
3. Drabkova V. G. Zonal'noe izmenenie intensivnosti mikrobiologicheskikh protsessov v ozerakh [Zonal Change in the Intensity of Microbiological Processes in Lakes]. Leningrad, Nauka Publ., 1981. 212 p. (in Russian).
4. Ivatin A. I. Bakterioplankton i bakteriobentos Kuibyshevskogo vodokhranilishcha [Bacterioplankton and Bacteriobenthos of the Kuibyshev Reservoir]. Togliatti, Cassandra Publ., 2012. 183 p. (in Russian).
5. Kitaev S. P. Osnovy limnologii dlia gidrobiologov i ikhtiologov [Basics of Limnology for Hydrobiologists and Ichthyologists]. Petrozavodsk, Karel'skii nauchnyi tsentr RAN Publ., 2007. 395 p. (in Russian).