BORUCKI, Sebastian, Andrzej CICHOŃ, Henryk MAJCHRZAK, and Dariusz ZMARZŁY. “Evaluation of the Technical Condition of the Active Part of the High Power Transformer Based on Measurements and Analysis of Vibroacoustic Signals”. Archives of Acoustics 42, no. 2 (December 14, 2016): 313–320. Accessed April 26, 2025. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1816.