LUBICH, L. A Refinement of the Square Wave Phase Noise Evaluation. Engineering, Technology & Applied Science Research, Greece, v. 8, n. 1, p. 2361–2366, 2018. DOI: 10.48084/etasr.1733. Disponível em: https://etasr.com/index.php/ETASR/article/view/1733. Acesso em: 21 jan. 2022.