Colpacovich, Y. I., E. Y. Badinter, V. I. Bugakov, and V. S. Larin. “Noise Suppressing Magnetic Cores Made of Glass Coated Microwire”. Technology and Design in Electronic Equipment, no. 5, Oct. 2006, pp. 55-58, https://www.tkea.com.ua/index.php/journal/article/view/TKEA2006.5.55.