Una aproximación a los humedales en Colombia 1998 Sánchez, Heliodoro | Alvarez León, Ricardo | Escobar, Elsa Matilda |
Humedales y educacion ambiental : guia practica para padres, profesores y monitores 1998 Möller Doepking, Patricia | Muñoz Pedreros, Andres |
Protected areas in our modern world. Proceedings of a workshop held as part of the IUCN World Conservation Congress 1997 Munro, Neil |
IOC-IUCN-NOAA ad hoc consultative meeting on large marine ecosystems (LME), Paris, France, 23-24 January 1997 1997
Report of the EAS 25 Workshop : case studies on marine protected areas in the East Asian seas & the Workshop on a global representative system of marine protected areas in the Southeast Asian marine region 1993
Planta Europa : proceedings of the first European conference on the conservation of wild plants 1997 Newton, John |