http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Human Factors Research and Engineering Group.
Mode of access: Internet at the FAA ATOP web site. Address as of 11/2/09: http://www.hf.faa.gov/report.htm; current access available via PURL.
United States. Federal Aviation Administration. Human Factors Research and Engineering Division.