Elvis J. Trinidad Garcia, Ruben P. Ortega, and Saad N. Tabet. “Rectangular Slot Array Antenna”. The Applied Computational Electromagnetics Society Journal (ACES), vol. 35, no. 11, Nov. 2020, pp. 1302-3, https://journals.riverpublishers.com/index.php/ACES/article/view/7499.