http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Series of reports on developments in air transportation. Reports cover airfield conditions and construction, aids to navigation, radio research, regulations, publications, and aviation industry conditions. Some reports include data on scheduled air traffic, air mail, aircraft in service, aircraft construction, and accidents.
Electronic reproduction. [Bethesda, Md.] : ProQuest, 2014. digital, PDF file. ProQuest U.S. Executive Branch Documents Mode of access: World Wide Web via ProQuest website.