1. Impacts of urban development on groundwater;Howard,1997
2. Addressing the water crisis: Healthier and more productive lives for poor people,2001
3. A Brief Review of Groundwater for Rural Water Supply in Sub-Saharan Africa;MacDonald,2002
4. Comparative study of seasonal variations in physico-chemical characteristics in drinking water quality of Kanpur, India with reference to 200 MLD filteration plant and groundwater;Trivede;Nat. Sci.,2010