Zavyalova, N.E., and K.N. Korlyakov. “HEAVY METAL CONTENT IN SOD-PODZOLIC SOIL AND IN THE VEGETATION OF FOREST, MEADOW AND FIELD PHYTOCENOSES”. Perm Federal Research Centre Journal, no. 1, July 2018, pp. 37-47, https://doi.org/10.7242/1998-2097/2018.1.4.