CHIULAN, T.; PANTELIMON, B. Power Transformer Units Condition Assessment Using Virtual Instrumentation. Elektronika ir Elektrotechnika, [S. l.], v. 86, n. 6, p. 97–100, 2008. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/11194.. Acesso em: 22 jan. 2026.