http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proceedings of a workshop held in Hampton, Virginia, June 9-10, 1981
National Aeronautics and Space Administration.
Scientific and Technical Information Branch.
National Aeronautics and Space Administration, Scientific and Technical Information Branch
[For sale by the National Technical Information Service]
edited by Nelson J. Groom and Ray V. Hood.