Yanlin Xu, Hu Yang, Xiang Liu, and Rongjun Shen. “An Interpolation Scheme for Green’s Function and Its Application in Method of Moment”. Applied Computational Electromagnetics Society Journal (ACES), vol. 33, no. 07, July 2021, pp. 724-9, https://journals.riverpublishers.com/index.php/ACES/article/view/9059.