Zi He, Hong-Cheng Yin, and Ru-Shan Chen. 2021. “Wide-Angle Claerbout Scheme for Three-Dimensional Time Domain Parabolic Equation and Its CN, ADI, AGE Solutions”. The Applied Computational Electromagnetics Society Journal (ACES) 33 (03):251-58. https://journals.riverpublishers.com/index.php/ACES/article/view/9201.