de Araujo, Humberto Xavier, Mauricio W. B. Silva, Ivan R. S. Casella, Antonio L. P. S. Campos, and Carlos Eduardo Capovilla. “A C-Band Planar Metamaterial-Inspired Antenna Employing a Hexagonal Cell Periodic Structure”. Journal of Communication and Information Systems 33, no. 1 (March 28, 2018). Accessed September 18, 2024. https://jcis.emnuvens.com.br/jcis/article/view/510.