Santos, Renan Alves, Gabriel Fré, and Danilo Spadoti. “Ultra-Wideband, Directive and Circular Polarization Lens Antennas for Future Communications”. Journal of Communication and Information Systems 38, no. 1 (April 11, 2023): 61-67. Accessed June 9, 2023. https://jcis.sbrt.org.br/jcis/article/view/838.