1. The Mathematics of Diffusion;Crank,1956
2. Interstitial water chemistry and aquifer properties in the Upper and Middle Chalk of Berkshire, England;Edmunds;J. Hydrol.,1973
3. Nitrate pollution of Chalk groundwater in East Yorkshire - a hydrogeological appraisal;Foster;J. Inst. Water Eng.,1974
4. Heterogeneous Processes of Geochemical Migration;Golubev,1971
5. Photographs of hard and soft chalks taken with a scanning electron microscope;Hancock,1967