SEME, Sebastijan and ŠTUMBERGER, Gorazd, 2013, Comparison of experimentally and by the finite element method determined magnetically nonlinear iron core characteristics applied in the dynamic model of a single phase transformer. Przeglęad Elektrotechniczny [online]. 2013. Vol. R. 89, no. 2b, p. 53–56. [Accessed 24 March 2025]. Retrieved from: http://pe.org.pl/articles/2013/2b/15.pdf