1. Agrokhimicheskie metody issledovaniya pochv (Agrochemical Methods for Soils Research), Sokolov, A.V., Ed., Moscow, 1975.
2. Anan’eva, N.D., Sus’yan, E.A., Ryzhova, I.M., et al., Microbial biomass carbon and the microbial carbon dioxide production by soddy-podzolic soils in postagrogenic biogeocenoses and in native spruce forests of the southern taiga (Kostroma oblast), Eurasian Soil Sci., 2009, vol. 42, no. 9, pp. 1029–1038.
3. Bezel’, V.S., Zhuikova, T.V., Gordeeva, V.A., et al., Aboveground phytomass and rate of plant debris decomposition in Herbaceous communities exposed to soil pollution with heavy metals, Russ. J. Ecol., 2016, vol. 47, no. 4, pp. 343–349.
4. Bulgakov, N.G., The way to indicate natural ecosystems state and to normalize the environmental factors. Methodological review, Usp. Soverm. Biol., 2002, vol. 122, no. 2.
5. Vedrova, E.F., Shugalei, L.S., and Stakanov, V.D., Carbon balance in natural and disturbed forests of south taiga of Northern Siberia, Geogr. Prir. Resur., 2002, no. 4.