КАЗИМИР, В.; РИНДИЧ, Є.; КЕНІЙЗ, Я. Cryptokey commutation module for secured ip-telephony system. Proceedings of National Aviation University (archive), [S. l.], v. 42, n. 1, p. 153–158, 2010. DOI: 10.18372/2306-1472.42.1827. Disponível em: http://jrnl.kai.edu.ua/index.php/visnik/article/view/1827. Acesso em: 14 jun. 2026.