“A Study on the Use of Specific Points on the Complex Permeability Frequency Curves of Ferrites for Presentation of Magnetic Loss”. Elektronika ir Elektrotechnika 61, no. 5 (May 20, 2005): 5–8. Accessed December 5, 2025. https://eejournal.ktu.lt/index.php/elt/article/view/10438.