ИЛЬИН, С. В. The effect of ultrasound on thermal processes in windings of oil transformers. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 2, n. 5(56), p. 7–8, 2012. DOI: 10.15587/1729-4061.2012.3722. Disponível em: https://journals.uran.ua/eejet/article/view/3722. Acesso em: 17 jul. 2024.