1. O. A. Alekin, Fundamentals of Hydrochemistry (Gidrometeoizdat, Leningrad, 1953) [in Russian].
2. Yu. A. Vershinin and A. A. Zubaidullin, “Assessment of ecological risks of bog contamination and bog reclamation,” Vestn. Nizhnevartovsk. Gos. Univ., No. 1, 53–57 (2009).
3. L. A. Vorob’eva, Chemical Analysis of Soils (Moscow State University, Moscow, 1998) [in Russian].
4. S. L. Davydova and V. I. Tagasov, Oil and Petroleum Products in the Environment (People’s Friendship University of Russia, Moscow, 2004) [in Russian].
5. V. N. Efimov, Peat Soils and Their Fertility (Agropromizdat, Leningrad, 1986) [in Russian].