Segui Camacho, Frank, and Francisco Marante Rizo. “Double Band Radiation System With Circular Polarization”. Revista Tecnológica - ESPOL 34, no. 2 (June 30, 2022): 64–84. Accessed November 5, 2025. https://rte.espol.edu.ec/index.php/tecnologica/article/view/876.