Edwards, M. G., & Lamine, S. (2010). Multidimensional upwind convection schemes for flow in porous media on structured and unstructured quadrilateral grids. Journal of Computational and Applied Mathematics, 234(7), pp. 2106-2117. doi:10.1016/j.cam.2009.08.069

Edwards, Michael G., and Sadok Lamine. "Multidimensional Upwind Convection Schemes for Flow in Porous Media On Structured and Unstructured Quadrilateral Grids." Journal of Computational and Applied Mathematics 234, no. 7 (2010): 2106-2117.

Edwards, Michael G., and Sadok Lamine. "Multidimensional Upwind Convection Schemes for Flow in Porous Media On Structured and Unstructured Quadrilateral Grids." Journal of Computational and Applied Mathematics 234.7 (2010): 2106-2117.