http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Proceedings of the Khartoum Workshop on Arid Lands Management
the University of Khartoum--the United Nations University, 22-26 October 1978
Khartoum Workshop on Arid Lands Management (1978 : University of Khartoum)