Sree Devi, P.D. A case study on changes in quality of groundwater with seasonal fluctuations with seasonal fluctuations of Pageru river basin, Cuddapah District, Andhra Pradesh, India - Berlin Springer-Verlag July 2002 - pp. 414-423 ilus. ISSN: 0943-0105 Subjects--Topical Terms: AGUAS SUBTERRANEASCALIDAD DEL AGUAHIDROGRAFIA Subjects--Geographic Terms: INDIA