Himmelstoss, Felix A., and Helmut L. Votzi. “Combined Forward-Flyback-Converter With Only Two Diodes – Function and Modelling”. Communications - Scientific letters of the University of Zilina 13, no. 2A (July 31, 2011): 6-12. Accessed April 6, 2026. http://journals.uniza.sk/index.php/communications/article/view/835.