PERIC, Z.; DENIC, B.; DESPOTOVIC, V. Multilevel Delta Modulation with Switched First-Order Prediction for Wideband Speech Coding. Elektronika ir Elektrotechnika, [S. l.], v. 24, n. 1, p. 46-51, 2018. DOI: 10.5755/j01.eie.24.1.20156. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/20156. Acesso em: 7 oct. 2022.