Ajetrao, K. V., and A. P. Dhande. “Phi Shape UWB Antenna With Band Notch Characteristics”. Engineering, Technology & Applied Science Research 8, no. 4 (August 18, 2018): 3121–3125. Accessed November 30, 2024. https://etasr.com/index.php/ETASR/article/view/2013.