1. Analysis of data from nonequilibrium pumping tests allowing for delayed yield fiom storage;Boulton;Proc. Inst. Civil Eng.,1963
2. Calculations of unsteady gas flow through porous media;Bruce;Trans. AIME,1953
3. The non-steady state of the water table in drained land;Childs;J. Geophys. Res.,1960
4. Simulation of three-dimensional, two-phase flow in oil and gas reservoirs;Coats;Soc. Petrol. Eng. J.,1967
5. Cooley , R. L. A finite difference method for analyzing liquid flow in variably saturated porous media Davis, Calif. 1970