ZNEIT, R. S. A. On-line Handwriting Signature Verification Based on Using Extreme Points Extraction. Engineering, Technology & Applied Science Research, Greece, v. 6, n. 4, p. 1084–1088, 2016. DOI: 10.48084/etasr.694. Disponível em: https://etasr.com/index.php/ETASR/article/view/694. Acesso em: 17 sep. 2021.