Chen, J. ., M. . Zhu, M. . Wang, S. . Li, and X. . Li. “A Hybrid MoM-PO Method Combining ACA Technique for Electromagnetic Scattering from Target above a Rough Surface”. Applied Computational Electromagnetics Society Journal (ACES), vol. 29, no. 04, Sept. 2021, pp. 301-6, https://journals.riverpublishers.com/index.php/ACES/article/view/11035.