Tonkoshkur, A. S., and A. V. Ivanchenko. “Kinetics Deformation of Current-Voltage Characteristics of the Varistor Oxide Structures Due to Overcharging of the Localized States”. Technology and Design in Electronic Equipment, no. 5–6, Dec. 2014, pp. 15-23, doi:10.15222/TKEA2014.2.15.