SAIDAIAH, B.; SUDHAKAR, A.; PADMA RAJU, K. A New Olympic Ring Shaped Antenna for UWB Applications. Engineering, Technology & Applied Science Research, Greece, v. 6, n. 3, p. 1010–1012, 2016. DOI: 10.48084/etasr.682. Disponível em: https://etasr.com/index.php/ETASR/article/view/682. Acesso em: 17 sep. 2021.