Qing Wang, Chen Lin, Zhen-Ya Lei, Jianq-Qiang Hou, and Lei Li. 2020. “High-Order Small Perturbation Method of Arbitrary Order for Conducting Rough Surface Scattering under TE Incidence”. Applied Computational Electromagnetics Society Journal (ACES) 35 (6):601-12. https://journals.riverpublishers.com/index.php/ACES/article/view/7821.