de Araujo, H. X., Silva, M. W. B., Casella, I. R. S., Campos, A. L. P. S., & Capovilla, C. E. (2018). A C-Band Planar Metamaterial-Inspired Antenna Employing a Hexagonal Cell Periodic Structure. Journal of Communication and Information Systems, 33(1). https://doi.org/10.14209/jcis.2018.4