BAGDONAS, V.; DAUNORAS, J.; DERVINIENĖ, A. Methodology of Operation Efficiency Prognosis. Elektronika ir Elektrotechnika, [S. l.], v. 69, n. 5, p. 95-98, 2006. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10758. Acesso em: 30 sep. 2022.