Hussein, K. F. A. . “Accurate Computational Algorithm for Calculation of Input Impedance of Antennas of Arbitrarily Shaped Conducting Surfaces”. Applied Computational Electromagnetics Society Journal (ACES), vol. 22, no. 3, June 2022, pp. 350-62, https://journals.riverpublishers.com/index.php/ACES/article/view/16363.