Studying the active layer of oligotrophic bogs in the Taiga zone of Western Siberia / T. A. Rybina, V. A. Bazanov, O. A. Golubeva, M. A. Sergeeva // International journal of environmental studies. 2015. Vol. 72, № 3. P. 448-455. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000528571