http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
by Courtney G. Brooks, James M. Grimwood, Loyd S. Swenson, Jr.
Includes bibliographical references (pages 485-502) and index.
National Aeronautics and Space Administration.
Washington, DC : Scientific and Technical Information Branch, National Aeronautics and Space Administration, 1979