I.V. May, S.V. Kleyn, Н.В. Зайцева, Svetlana A. Vekovshinina. "IMPOSING LIMITS ON POLYPHOSPHATES IN SYNTHETIC DETERGENTS AS A WAY TO PREVENT CONTAMINATION OF WATER BASINS AND COURSES USED FOR COMMUNAL NEEDS AND DRINKING WATER SUPPLY." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th SGEM International Multidisciplinary Scientific GeoConference Proceedings 2020, (2020): 217-224. https://doi.org/10.5593/sgem2020v/1.3/s02.27