Conservation and sustainable land use. Address by the Secretary of the Interior at the Author Udall S. Monograph Environmental Policy and Law Date 2002 Source IUCN (ID: ANA-068255) Publisher | Place of publication IOS Press | Amsterdam, The Netherlands Pages 30 - 32; 3 p. , Vol. 32(1) Document type Article in periodical Conference name | place | date 8th IUCN General Assembly | Nairobi | 19630916 Language English Field of application International Subject Wild species & ecosystems Keyword Policy/planning