1. Gorbunov, M.Yu., Vertical distribution of bacteriochlorophylls in humic lakes in the Volga-Kama Reserve (Republic of Tatarstan), Povolzhsk. Ekol. Zh., 2011, no. 3, pp. 280–293.
2. Gorbunov, M.Yu. and Umanskaya, M.V., Anoxygenic phototrophic bacteria in the water bodies of specially protected areas of the Samara oblast of Russia, in Ekologicheskie problemy zapovednykh territorii Rossii (Environmental Problems of Protected Areas), Tolyatti: Inst. Ekol. Volzhsk. Basseina RAN, 2003, pp. 136–144.
3. Gorbunov, M.Yu. and Umanskaya, M.V., The vertical distribution of prokaryotic phototrophic plankton in the Nizhnii Pond of the Samara Botanical Garden, Samar. Luka: Byul., 2007, vol. 16, nos. 1–2 (19–20), pp. 144–155.
4. Gorlenko, V.M., Vainshtein, M.B., and Chebotarev, E.N., Bacteria of the sulfur and iron cycles in the lowsulfate meromictic Lake Kuznechikha, Mikrobiologiya, 1980, vol. 49, no. 5, pp. 804–812.
5. Dubinina, G.A. and Deryugina, Z.P., Microbiological processes of transformation of iron forms in a meromictic lake, Zh. Obshch. Biol., 1969, vol. 30, no. 5, pp. 602–610.