1. Allen, M.B., Khosravani, A., 1990. An Eulerian–Lagrangian method for finite-element collocation using the modified method of characteristics. In: Gambolati, G., Rinaldo, A. et al. (Eds.), Proc. Eighth Int. Conf. Comput. Meth. in Water Resources, Computational Methods in Surface Hydrology. Springger, Southampton, UK, pp. 375–380.
2. A finite element collocation method for variable saturated flow in two space dimensions;Allen;Water Resources Res.,1986
3. Baptista, A.M., Adams, E.E., Stolzenbach, K.D., 1984. The 2-D, unsteady, transport equation solved by the combined use of the finite element method and the method of characteristics. In: Proc. 5th Int. Conf. Finite Elements in Water Res. Springer, Berlin, Germany, pp. 353–362.
4. Bear, J., 1979. Hydraulics of Groundwater, McGraw-Hill, New York.
5. A finite volume Eulerian–Lagrangian localized adjoint method for solution of the contaminant transport equations in two-dimensional multiphase flow systems;Binning;Water Resources Res.,1996