Bachmat, Yehuda. Grounwater management; the use of numerical models - Washington : American Geophysical Union, 1980 - 127 p - Water resources monograph ; 5 . - Water resources monograph ; 5 . LCCN: 10161 Subjects--Topical Terms: Agua subterranea.Hidráulica--México (D.F.). Dewey Class. No.: 629.1 / B3