CONCYTEC HIDROLOGIA E HIDRAULICA - 0 - LIMA-PERU CONCYTEC 1986 - 379 pag 28 cm - 0 1 . PLANEACION HIDRAULICA/RECURSOS/IMPACTO/GESTION/BALANCES Subjects--Topical Terms: CIENCIAS PURAS Dewey Class. No.: 552.48 / C74