1. The relationship between solutions of flow problems in isotropic and anisotropic soils;Bear;J. Hydrol.,1965
2. The drawdown of the water table under nonsteady conditions near a pumped well in an unconfined formation;Boulton;Inst. Civil Eng. Proc., pt. 3,1954
3. Second order linearized theory of free surface flow in porous media;Dagan;La Houille Blanche,1964
4. The solution of the linearized equations of free-surface flow in porous media;Dagan;J. Mecanique,1966
5. Dagan , G. A method of determining the permeability and effective porosity of unconfined anisotropic aquifers 49 1967