Sukach, S., T. Kozlovs’ka, I. Serhiienko, O. Khodakovskyy, I. Liashok, and O. Kipko. “Studying and Substantiation of the Method for Normalization of air­ionic Regime at Industrial Premises at the Ultrasonic Ionization of Air”. Eastern-European Journal of Enterprise Technologies, vol. 4, no. 10 (94), Aug. 2018, pp. 36-45, doi:10.15587/1729-4061.2018.141060.