RINKEVIČIENĖ, R.; PETROVAS, A. Direct Current Drive with Observer. Elektronika ir Elektrotechnika, [S. l.], v. 85, n. 5, p. 73-76, 2008. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/11166. Acesso em: 25 may. 2024.