М. О. Сусь, Т. Є. Мітченко, and Н. В. Макарова, “PHYSICOCHEMICAL BASES OF THE REMOVAL PROCESS OF BIOCIDAL REAGENT ON BASIS OF POLYHEXAMETHYLENEGUANIDINE FROM THE WATER WITH THE USE OF WEAK ACID CATION EXCHANGE RESIN”, WPT STN, vol. 1, no. 1, pp. 4–11, Mar. 2010.