World Conservation Bulletin - 50 years IUCN Corporate author IUCN Date 1998 Source IUCN (ID: MON-093521) Publisher | Place of publication IUCN | Gland, Switzerland Pages 32 p. Document type Monography/book Language English Field of application International Subject Environment gen. Keyword Institutional profiles Full text MON-093521.pdf Website portals.iucn.org