Jankovskis, Janis, Nikolajs Ponomarenko, and Pavels Narica. “An Investigation on High Frequency Permeability of Polycrystalline Ferrities”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 2 (August 5, 2015): 194–201. Accessed November 24, 2024. https://journals23.rta.lv/index.php/ETR/article/view/977.