Vyroubal, Petr, J. Maxa, Tomáš Kazda, and M. Mačák. “Finite Element Approach of Interior Permanent Magnet Motor Acoustics Noise”.
Advances in Military Technology 13, no. 2 (January 5, 2019): 223–235. Accessed August 22, 2025.
https://aimt.cz/index.php/aimt/article/view/1195.