http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Division of Exploratory Research and Systems Analysis.
National Science Foundation, Research Applied to National Needs, Division of Exploratory Research and Systems Analysis : for sale by the Supt. of Docs., U. S. Govt. Print. Off.
Based upon research supported by the National Science Foundation under Grant No. ERS 76-21350.