PERISIC, D. M.; PETROVIC, V.; KOVACEVIC, B. Frequency Locked Loop Based on the Time Nonrecursive Processing. Engineering, Technology & Applied Science Research, Greece, v. 8, n. 5, p. 3450–3455, 2018. DOI: 10.48084/etasr.2256. Disponível em: https://etasr.com/index.php/ETASR/article/view/2256. Acesso em: 20 sep. 2021.