1. Alekin, O.A., Osnovy gidrokhimii (Basics of Hydrochemistry), Leningrad: Gidrometeoizdat, 1970.
2. Barinova, S.S. and Medvedeva, L.A., On the method of quantifying the microphytobenthos in small rivers of the Far East of Russia, Algologiya, 2004, vol. 14, no. 1, pp. 101–110.
3. Belyaeva, P.G., Structure of phytoperiphyton communities in riverine ecosystems (review), Izv. Penzensk. Gos. Pedagog. Univ. im. V.G. Belinskogo, 2011, no. 25, pp. 484–492.
4. Belyaeva, P.G. and Pozdeev, I.V., Benthic communities of the Chusovaya River (Kama basin), Vestn. Permsk. Univ., Ser. Biol., 2005, no. 6, pp. 103–107.
5. Vinogradova, K.L., Gollerbakh, M.M., Zauer, L.M., and Sdobnikova, N.V., Zelenye, krasnye i burye vodorosli. Opredelitel’ presnovodnykh vodoroslei SSSR (Green, Red, and Brown Algae: Identification Guide to Freshwater Algae of the USSR), Leningrad: Nauka, 1980, vol. 13.