Rao, N. Subba Geochemistry of groundwater in parts of Guntur district, Andhra Pradesh, India - Berlin Springer-Verlag January 2002 - pp. 552-562 ilus., tbls. ISSN: 0943-0105 Subjects--Topical Terms: AGUAS SUBTERRANEASHIDROGEOQUIMICA Subjects--Geographic Terms: INDIA