Der Erdgipfel. Perspektiven für die Zeit nach Rio Author Engelhardt W., Weinzierl H. (eds) Date 1993 Source IUCN (ID: MON-049039) Publisher | Place of publication Economica Verlag GmbH | Bonn, Germany ISBN N: 3-87081-652-X Pages 267 p. Language German Field of application International Subject Environment gen. Keyword Policy/planning Comprehensive description