Todd, David Keith. Groundwater hydrology / by David Keith Todd and Larry W. Mays - 3rd ed. - New Delhi : Wiley India, ©2005. - xiii, 636 p. : ill. ; 27cm. Includes Index. ISBN: 9788126530038 Subjects--Topical Terms: GroundwaterWater balance (Hydrology) Dewey Class. No.: 551.49 / TOG