L. I. Kovalchuk, Моkiyenko A. V., and T. Y. Vasiliyeva, “Characterictics of ukrainian danube area surface water source mutagenicity with the use of microbial test-system Salmonella typhimurium ТА 98”, J Educ Health Sport, vol. 5, no. 2, pp. 311–318, Feb. 2015.