1. Atlas of Climate and Hydrology in the Komi Republic, Ed. by A. I. Taskaev (DiK, Drofa, Moscow, 1997) [in Russian].
2. Soil Atlas of the Komi Republic, Ed. by A. I. Taskaev (Komi resp. tipogr., Syktyvkar, 2010) [in Russian].
3. I. I. Belyaev, E. P. Rakushina, M. P. Gracheva, Yu. A. Litvinov, V. V. Baikovskii, Zh. L. Lembik, “Behavior of PAHs in the environment around enterprises of organic synthesis,” in Carcinogenic Substances in the Environment (Gidrometeoizdat, Moscow, 1979), pp. 19–21 [in Russian].
4. V. A. Beznosikov and E. D. Lodygin, “Fractional and group composition of humus in cryogenic surface-gleyed and hydromorphic soils of the Bol’shezemel’skay tundra,” Vestn. St.-Peterb. Univ., Ser. 3., No. 1, 107–120 (2012).
5. D. N. Gabov, V. A. Beznosikov, and B. M. Kondratenok, “Polycyclic aromatic hydrocarbons in background podzolic and gleyic peat-podzolic soils,” Eur. Soil Sci. 40(3), 256–264 (2007).