URSARU, O.; AGHION, C. Multilevel Inverters with Imbricated Switching Cells, PWM and DPWM-Controlled. Elektronika ir Elektrotechnika, [S. l.], v. 104, n. 8, p. 23-26, 2010. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/9202. Acesso em: 20 apr. 2024.