1. Slonim, A.D., Energetika povedeniya i spontannaya deyatel’nost’ (Energy of Behavior and Spontaneous Activity), Leningrad: Nauka, 1971.
2. Tushmalova, N.A., Basic Consistent Patterns of the Evolution of Behavior of Invertebrates, in Fiziologiya povedeniya (Physiology of Behavior), Leningrad: Nauka, 1987, pp. 236–265.
3. Flerov, B.A., Ekologo-fiziologicheskie aspekty toksikologii presnovodnykh zhivotnykh (Ecological and Physiological Aspects of the Toxicology of Freshwater Animals), Leningrad: Nauka, 1989.
4. Tushmalova, N.A., Danil’chenko, O.P., and Brestkina, M.D., Method of Biological Testing of Natural and Waste Waters by the Level of Locomotor Activity and Spirostomum Ciliates in Metody biotestirovaniya prirodnykh vod (Natural Water Bioassay Methods), Chernogolovka, 1988, pp. 43–47.
5. Bakhvalova, E.V., Egorova, E.I., and Tushmalova, N.A., The Behavior of Spirostomum Ciliates as an Indicator of the Presence of Heavy Metals in the Aquatic Environment, Biol. Vnutr. Vod, 2007, no. 2, pp. 100–104.