AHRANOVICH, A. A.; KARPOVICH, S. E.; ZHARSKY, V. V.; AVAKAW, S. M.; RUSETSKY, S. A. Direct Drive Mathematical Model Design and Verification. Elektronika ir Elektrotechnika, [S. l.], v. 77, n. 5, p. 49-52, 2007. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10739. Acesso em: 27 sep. 2020.