1. The analysis of flow data from karst drainage systems;Ashton;Trans. Cave Res. Group G.B.,1966
2. Water tracing on Mendip;Atkinson;J. Wessex Cave Club,1970
3. The dangers of pollution of limestone aquifers;Atkinson,1971
4. Underground drainage of limestone catchments in the Mendip Hills, Somerset;Atkinson;Spec. Publ. Inst. Br. Geogr.,1974
5. Water tracing in the Pen Hill area, Mendip;Atkinson;J. Wessex Cave Club,1969