1. Selected procedures for analysing aquifer test data;Brown;J. Am. Water Works Assoc.,1953
2. Groundwater exploration of the Magnesian Limestone of South-East Durham;Cairney,1969
3. Hydrology and water resources of the Durham Area;Cairney,1970
4. Recovery method for determining the coefficient of transmissibility;Jacob;U.S. Geol. Surv. Water Supply Paper 1536 I,1963
5. Groundwater and Wells;Johnson,1966