http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
general formalism for phase space calculations
National Aeronautics and Space Administration.
Scientific and Technical Information Division,
"Performing organization: NASA Langley Research Center"--Report documentation page.
Includes bibliographical references (page 18).
Sponsored by the National Aeronautics and Space Administration 199-22-76-01