Pinder, George F. , Groundwater modeling using geographical information systems / George F. Pinder. - xii, 233 pages : illustrations ; 25 cm. ++ 1 computer optical disc (4 3/4 in.). ISBN: 0471084980 Subjects--Topical Terms: Groundwater flow --Mathematical models.Geographic information systems. LC Class. No.: GB1197.7 / .P56 2003