Mian Dong, Anxue Zhang, Juan Chen, Songlin Zhang, and Yuchen He. “The Fourth-Order One-Step Leapfrog HIE-FDTD Method”. Applied Computational Electromagnetics Society Journal (ACES) 31, no. 12 (August 8, 2021): 1370–1376. Accessed June 2, 2026. https://journals.riverpublishers.com/index.php/ACES/article/view/9787.