LEADER 01298nam 2200361 a 450 001 9910695712403321 005 20070427142548.0 035 $a(CKB)5470000002372661 035 $a(OCoLC)123768830 035 $a(EXLCZ)995470000002372661 100 $a20070427d2007 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aSocial security reform$b[electronic resource] $egreater transparency needed about potential general revenue financing : report to congressional committees 210 1$a[Washington, D.C.] :$cU.S. Govt. Accountability Office,$d[2007] 215 $aii, 45 pages $cdigital, PDF file 300 $aTitle from title screen (viewed on Apr. 26, 2007). 300 $a"March 2007." 300 $aPaper version available from: U.S. Govt. Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548. 300 $a"GAO-07-213." 320 $aIncludes bibliographical references. 517 $aSocial security reform 606 $aSocial security$zUnited States$xFinance 615 0$aSocial security$xFinance. 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910695712403321 996 $aSocial security reform$9726011 997 $aUNINA LEADER 01465nam 2200409 450 001 9910715311203321 005 20210310124443.0 035 $a(CKB)5470000002510926 035 $a(OCoLC)1241095802 035 $a(EXLCZ)995470000002510926 100 $a20210310j202103 ua 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aFutures of deep space exploration, commercialization, and colonization $ethe frontiers of responsibly imaginable /$fDennis M. Bushnell 210 1$aHampton, Virginia :$cNational Aeronautics and Space Administration, Langley Research Center,$dMarch 2021. 215 $a1 online resource (20 pages, 1 unnumbered page) 225 1 $aNASA/TM ;$v20210009988 300 $a"March 2021." 320 $aIncludes bibliographical references (pages 18-19). 517 $aFutures of deep space exploration, commercialization, and colonization 606 $aUnmanned aircraft systems$2nasat 606 $aAir traffic$2nasat 606 $aAutonomy$2nasat 615 7$aUnmanned aircraft systems. 615 7$aAir traffic. 615 7$aAutonomy. 700 $aBushnell$b Dennis M.$01168120 712 02$aLangley Research Center, 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910715311203321 996 $aFutures of deep space exploration, commercialization, and colonization$93499203 997 $aUNINA