1. Gabbasova, I.M., Soil Degradation and Reclamation in the Southern Ural Region, Extended Abstract of Doctoral (Biol.) Dissertation, Moscow: Mosk. S-Kh. Akad., 2001.
2. Gilyarov, M.S., Zoologicheskii metod diagnostiki pochv (Zoological Method of Soil Diagnostics), Moscow: Nauka, 1965.
3. Gilyazov, M.Yu., Agroecological Characteristics of Chernozems Disturbed in the Course of Oil Production and Approaches to Their Reclamation in the Transkama Region of Tatarstan, Extended Abstract of Doctoral (Agric.) Dissertation, Saratov: SGAU., 1999.
4. Khanislamova, G.M., Collembolans in Laboratory Tests for the Toxicity of Compounds Contaminating the Soil, in Problemy okhrany okruzhayushchei sredy na Urale: Mezhvuz. sb. nauch. trudov (Problems of Environmental Protection in the Urals. Collected Works), Ufa, 1995, pp. 152–157.
5. Kireeva, N.A., Vodop'yanov, V.V., and Miftakhova, A.M., Biologicheskaya aktivnost' neftezagryaznennykh pochv (Biological Activity of Oil-Polluted Soils), Ufa: Gilem, 2001.