http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
National Science Foundation and National Aeronautics and Space Administration programs
hearing before the Task Force on Physical Resources of the Committee on the Budget, House of Representatives, Ninety-fourth Congress, second session, February 25, 1976
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National Aeronautics and Space Administration.
United States. Congress. House. Committee on the Budget. Task Force on Physical Resources.