ONAL, E. A Study for Examining Dissipation Factors of Various Insulations and Test Transformers in the Wide Range of Frequency. Elektronika ir Elektrotechnika, [S. l.], v. 121, n. 5, p. 27-32, 2012. DOI: 10.5755/j01.eee.121.5.1647. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/1647. Acesso em: 26 sep. 2022.