Next Generation Air Transportation System [electronic resource] : progress and challenges associated with the transformation of the National Airspace System : report to congressional requesters.
Imprint
[Washington, D.C.] : U.S. Government Accountability Office, [2006]
Mode of access: Internet from GPO Access web site. Address as of 3/13/07: http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=gao&docid=f:d0725.pdf; current access available via PURL.
Note
Title from title screen (viewed on Mar. 13, 2007).
"November 2006."
Paper version available from: U.S. Government Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548.
