Concepts for the future - Kansas: HCI Publications, 1994 - 202 p. cuadros. 01615 Operations and maintemance. Regulation and legislation. Rehabilitation and retrofitting. Water resources. Worldwide hydro. New technology for hydro. Pumped storage. Subjects--Topical Terms: Recursos HidrológicosEnergía EléctricaPlanificación Dewey Class. No.: 333.914 / E793