Parks for life : report of the IVth World Congress on National Parks and Protected Areas - McNeely, Jeffrey A. 1944-; World Congress on National Parks and Protected Areas 1992 : Caracas, Venezuela) (Gland, Switzerland : IUCN, 1993)
Keywords: PARQUES NACIONALES Y RESERVAS DE TIERRAS; ZONAS NATURALES PROTEGIDAS; CONSERVACION DE LOS RECURSOS NATURALES