Essa, Khaled S. M, Sawsan E. M Elsaid, and Fawzia Mubarak. “Time Dependent Advection Diffusion Equation in Two Dimensions”. Journal of Atmosphere 1, no. 1 (June 15, 2015): 8–16. Accessed December 22, 2024. https://archive.conscientiabeam.com/index.php/94/article/view/2383.