BATKAUSKAS, V.; BALČIŪNAS, D. Optimization of Common Voice and Data Channel Resources in GSM/GPRS Network. Elektronika ir Elektrotechnika, [S. l.], v. 69, n. 5, p. 67-72, 2006. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10680. Acesso em: 27 sep. 2022.