Gzieł, D., et al. “Experimental Verification of the Method for Calculating Losses in DC DC Converter Cores Based on Sinusoidal Excitations”. Acta Physica Polonica A ISSN 1898-794X , vol. 146, no. 1, July 2024, p. 59, https://doi.org/10.12693/APhysPolA.146.59.