Direct Simulation Methods for Scalar-Wave Envelopes in Two-Dimensional Layered Random Media Based on the Small-Angle Scattering Approximation. Commun. Comput. Phys. [Internet]. 2008 Jan. 2 [cited 2025 Dec. 6];3(1):63-84. Available from: https://global-sci.com/index.php/cicp/article/view/5504