NARIMANI, R.; FARHOUDI, L. Design of a Self-Phased Quadrifilar Helix Antenna for Satellite Communication. Engineering, Technology & Applied Science Research, Greece, v. 7, n. 6, p. 2273–2276, 2017. DOI: 10.48084/etasr.1569. Disponível em: https://etasr.com/index.php/ETASR/article/view/1569. Acesso em: 19 oct. 2021.