1. Processes accompanying the intrusion of salt water;Appelo,1991
2. Distribution of natural radionuclide K-40 in biotic and abiotic compounds in Cauvery river system;Ashokan;J. Biosci. (Bangalore),1992
3. Uptake by the Atlantic Ocean of excess of atmospheric carbon dioxide and radiocarbon;Bolin,1989
4. The evolution of the coastal aquifer of Belgium;De Breuck,1991
5. Groundwater resources and developmental potential of Tanjavur district, Tamil Nadu;Central Ground Water Board (CGWB),1991