N.V. Kohanistaya. "FEATURES OF DISTRIBUTION OF NICKEL IN SOILS OF THE ROSTOV REGION." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Ecology, Economics, Education and Legislation (2017): 471-478. https://doi.org/10.5593/sgem2017/51/s20.062