01395nam 2200373 a 450 991069315200332120050104102741.0(CKB)5470000002359995(OCoLC)57361966ocm57361966(OCoLC)995470000002359995(EXLCZ)99547000000235999520050104d2004 ua 0engurmn||||||txtrdacontentcrdamediacrrdacarrierAir traffic control[electronic resource] system management capabilities improved, but more can be done to institutionalize improvements : report to congressional committees[Washington, D.C.] :U.S. Government Accountability Office,[2004]Title from title screen (viewed on Dec. 28, 2004)."August 2004."Paper version available from: U.S. Government Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548."GAO-04-901."Includes bibliographical references.Air traffic control Air traffic controlUnited StatesComputer programsEvaluationAir traffic controlComputer programsEvaluation.GPOGPOBOOK9910693152003321Air Traffic Control2049120UNINA