Pitchaiah, P.Sankara . Ground Water / Textual Documents P.Sankara Pitchaiah. - 1st ed. / - Jodhpur : Scientific Publishers , C 1995. - 304p. : ill. ; 22cm . Bib. ISBN: 81-7233-071-5 Subjects--Index Terms: Geology Groundwater PG-Geology Deptt.-Geology Dewey Class. No.: 551.49 / Pi 68 Gr