http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Title from PDF title screen (viewed Mar. 16, 2009).
AC 150/5050-3B, Planning the State Aviation Syste, dated January 1989; and AC150/5070-5, Planning the Metropolitan Airport System, dated May 1970, are cancelled.
Mode of access: Internet at the FAA web site. Address as of 3/16/09: http://www.airweb.faa.gov/Regulatory%5Fand%5FGuidance%5FLibrary/rgAdvisoryCircular.nsf/0/448f20bc45582fc08625724100775e5a/$FILE/150%5F5070%5F7.pdf ; current access available via PURL.