http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Volumes for <2001/2002-> published: New York ; London : Oxford University Press.
Volumes for 20021/2002- accompanied by CD-ROM with results from the executive opinion survey.
Published in collaboration with: Center for International Development at Harvard University, <2000->