Michael, A. M. Water wells and pumps / A. M Michael ; S. D.Khepar & S. K.Sondhi. - 2nd ed. - New Delhi : Tata-McGraw-Hill, 2008. - xv, 696 p. : ill. ; 24 cm. Includes appendix & index ISBN: 9780070657069 (hbk.) Dewey Class. No.: 628 / MIC