http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Location of noise sources using a phase-slope method
National Aeronautics and Space Administration.
Scientific and Technical Information Branch,
1 online resource (46 pages) : illustrations.
Includes bibliographical references (page 10).
Langley Research Center L-15793 505-31-33-I3