PERIC, Zoran; DENIC, Bojan; DESPOTOVIC, Vladimir. 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: 22 jan. 2026.