Assis, A. R., F. J. S. Moreira, and J. R. Bergmann. “GO Synthesis of Offset Dual Reflector Antennas Using Local Axis-Displaced Confocal Quadrics”. Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe) 19, no. 2 (April 23, 2020): AoP 177-190. Accessed June 3, 2020. http://www.jmoe.org/index.php/jmoe/article/view/813.