BARANAUSKAS, V.; ŠARKAUSKAS, K.; BARTKEVIČIUS, S. Learning Possibilities in CPN. Elektronika ir Elektrotechnika, [S. l.], v. 78, n. 6, p. 71-74, 2007. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10824. Acesso em: 26 sep. 2020.