SAYAN, H. H.; KAHRAMAN, M.; KOŞALAY, İ. Simulation of Frequency Spectrum of Electric Power Signal. Elektronika ir Elektrotechnika, [S. l.], v. 100, n. 4, p. 21-24, 2010. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/9868. Acesso em: 6 oct. 2022.