1. Ground Water Resources of West Bengal;Roy,1973
2. Geology and Groundwater Resources of Greater Calcutta industrial area;Chaterji;Bull. Series B, Geological Survey of India,1964
3. The origin of the high sodium bicarbonate water in the Atlantic and Gulf coastal plains;Margaret Foster;Geochemica et Cosmochimica Acta, London,1950
4. Study and interpretation of the chemical characteristics of natural water second edition;Hem;Geol. Surv. W.S.P.,1970