Kruczek, Włodzimierz. “THE ELECTRICAL CHARACTERISTICS OF A CATENARY SYSTEM IN ELECTRIC RAIL VEHICLES, THE CALCULATION OF TRACTION LOAD AND SHORT – CIRCUIT CURRENTS”. Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska 3, no. 4 (December 27, 2013): 22-25. Accessed January 27, 2023. https://ph.pollub.pl/index.php/iapgos/article/view/1473.