Iberian international rivers: upstream developments, downstream worries Author Silva J.E. de Journal/Series Transboundary Resources Report | Vol. 5(2); 4 - 6; 3 p. Date 1991 Source IUCN (ID: ANA-046199) Publisher | Place of publication CIRT / University of New Mexico School of Law | Albuquerque, NM, USA Language English Country/Territory Portugal, Spain Subject Water Keyword Freshwater resources management