http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1980 Aircraft safety and operating problems
National Aeronautics and Space Administration.
Scientific and Technical Information Office.
NASA Aircraft Safety and Operating Problems Conference (1980 : Langley Research Center)
National Aeronautics and Space Administration, Scientific and Technical Information Office
[For sale by the National Technical Information Service]
2 pts. (viii, 791 pages) : illustrations, maps ; 27 cm.
"Proceedings of a NASA conference held at Langley Research Center, Hampton, Virginia, November 5-7, 1980."