Lavor, Otávio Paulino, Carlos Gomes de Moura, Humberto Cesar Chaves Fernandes, and Marinaldo Pinheiro Sousa Neto. 2015. “Analysis of a UWB Planar Antenna With Split Ring Resonator”. Journal of Communication and Information Systems 30 (1). https://doi.org/10.14209/jcis.2015.4.