http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Generic visual glideslope indicators (GVGI)
Title from PDF caption (viewed Apr. 7, 2009).
AC 150/5345-52, dated June 21, 1988, is cancelled.
Mode of access: Internet at the FAA web site. Address as of 4/7/09: http://www.airweb.faa.gov/Regulatory%5Fand%5FGuidance%5FLibrary/rgAdvisoryCircular.nsf/0/fa0b3e3a167d1be8862573540068bf44/$FILE/AC%20150%5F5345%5F52a.pdf ; current access available via PURL.
United States. Federal Aviation Administration.