Description
Published:1st quarter 1996-2nd quarter 2009.
Item Description:Title from title screen (viewed June 14, 2006).
Electronic resource.
Physical Description:volumes : digital, PDF files.
Publication Frequency:Quarterly
Format:Mode of access: Internet from the FAA/AST web site. Address as of 6/14/06: http://ast.faa.gov/rep%5Fstudy/qlr.htm ; current access via PURL.
ISSN:1944-8856