1. Venkatachalam , K. Sullivan , C.R. Abdallah , T. Tacca , H. 2002 Accurate prediction of ferrite core loss with nonsinusoidal waveforms using only Steinmetz parameters Proceedings of IEEE Workshop on Computers in Power Electronics, COMPEL 36 41
2. Design optimization of small low-frequency power transformers;Judd;IEEE Transactions on Magnetics,1977
3. Transformer and Inductor Design Handbook