http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 volume (various pagings) : digital, PDF file.
U.S. Dept. of Transportation, Federal Aviation Administration.
Title from PDF title screen (viewed Feb 27, 2009).
Mode of access: Internet at the FAA web site. Address as of 2/27/09: http://www.airweb.faa.gov/Regulatory%5Fand%5FGuidance%5FLibrary/rgAdvisoryCircular.nsf/0/fa3df087d8f758a986257037006d5839/$FILE/120-85.pdf ; current access available via PURL.