Stević, Z., M. Rajčić-Vujasinović, and Z. Stoiljković. “Simplified Measurement Method in the Study of Supercapacitors”. Technology and Design in Electronic Equipment, no. 4–5, Oct. 2002, pp. 19-20, https://www.tkea.com.ua/index.php/journal/article/view/TKEA2002.4-5.19.