Mao, J., L. Jiang, and S. Luo. “A Novel Space-Stepping Finite-Difference Frequency–Domain Method for Full Wave Electromagnetic Field Modeling of Passive Microwave Devices”. Applied Computational Electromagnetics Society Journal (ACES) 24, no. 3 (June 17, 2022): 259–267. Accessed July 23, 2024. https://journals.riverpublishers.com/index.php/ACES/article/view/15927.