World heritage: Twenty years later Author Thorsell J. (comp.) Date 1992 Source IUCN (ID: MON-048355) Publisher | Place of publication IUCN / UNESCO World Heritage Committee | Gland, Switzerland/Cambridge, UK ISBN 2-8317-0109-0 Pages 191 p. Document type Monography/book Language English Field of application International Subject Wild species & ecosystems Keyword Protected area Cultural heritage National parks Website www.iucn.org Other references Treaty Convention concerning the Protection of the World Cultural and Natural Heritage Treaty | Multilateral | Paris | Nov 23, 1972 Keyword: Inventory, Institution, Research, Cultural heritage, Financing, Education, Management/conservation, Data collection/reporting, Special fund, Protected area Source: IUCN (ID: TRE-155235)