1. Methods for determining permeability of waterbearing materials;Wenzel;U.S. Geol. Survey, Water Supply Paper,1942
2. The drawdown of the water-table under non-steady conditions near a pumped well in an unconfined formation;Boulton,1954
3. Analysis of data from non-equilibrium pumping tests allowing for delayed yield from storage;Boulton,1963
4. A method of determining the permeability and effective porosity of unconfined anisotropic aquifers;Dagan;Water Resources Research,1967