1. The drawdown of the water-table under non-steady conditions near a pumped well in an unconfined formation;Boulton;Proc. Inst. Civil Eng.,1954
2. Unsteady radial flow to a pumped well allowing for delayed yield from storage;Boulton;Int. Ass. Sci. Hydrol. Rome,1954
3. Analysis of data from nonequilibrium pumping tests allowing for delayed yield from storage;Boulton;Proc. Inst. Civil Eng.,1963
4. Analysis of data from pumping tests in unconfined anisotropic aquifers;Boulton;J. Hydrol.,1970
5. An extended theory of delayed yield from storage applied to pumping tests in unconfined anisotropic aquifers;Boulton;J. Hydrol.,1971