Gomelya, Nikolai, Valentyna Hrabitchenko, Anna Trohimennko, and Tat’jana Shablij. 2016. “Research into Ion Exchange Softening of Highly Mineralized Waters”. Eastern-European Journal of Enterprise Technologies 4 (10(82):4-9. https://doi.org/10.15587/1729-4061.2016.75338.