Zhang, W. ., Z. . Xu, H. . Peng, J. . Chen, and C. . Mou. “An Implicit Adaptive FDTD Mesh Generation Techniquebased on Tetrahedrons”. Applied Computational Electromagnetics Society Journal (ACES), vol. 38, no. 08, Aug. 2023, pp. 548-57, doi:10.13052/2023.ACES.J.380801.