Ji Ma, Shuai Zhang, Qiu-ju Li, and Jun Du. 2021. “Compact UWB Microstrip-Fed Slot Antenna With Dual-Band Rejection by Using EBG and Four-Arm Spiral Structures”. Applied Computational Electromagnetics Society Journal (ACES) 32 (05):436-40. https://journals.riverpublishers.com/index.php/ACES/article/view/9629.