"A product of lectures at the International post-graduate course in hydrology, within the Research Centre for Water Resources Development (VITUKI) Budapest, Hungary"--T.p. verso. Includes bibliographies and indexes.; Hydrological investigation of subsurface waters / by J. Galfy {i.e. Galfi} and G. Kovacs -- Hydrological investigation of the sub-moisture zone / by G. Kovacs -- Hydrology of shal low groundwaters / by G. Kovacs -- Hydrological processes occurring in deep-lying clastic sediments / by J. Galfi, G. Kovacs, and N. Pataki -- Hydrology of solid rock terrains / by J. Galfi and G. Kovacs.