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100   $a20080204d2007      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aNASA$b[electronic resource] $eagency has taken steps toward making sound investment decisions for Ares I but still faces challenging knowledge gaps : report to the Chairman, Committee on Science and Technology, House of Representatives
210  1$a[Washington, D.C.] :$cU.S. Govt. Accountability Office,$d[2007]
215   $aii, 28 pages $cdigital, PDF file
300   $aTitle from title screen (viewed on Jan. 31, 2008).
300   $a"October 2007."
300   $aPaper version available from: U.S. Govt. Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548.
300   $a"GAO-08-51."
320   $aIncludes bibliographical references.
517   $aNASA 
606   $aLetting of contracts$xGovernment policy$zUnited States
606   $aSpace vehicles$xFinance
615  0$aLetting of contracts$xGovernment policy
615  0$aSpace vehicles$xFinance.
712 02$aUnited States.$bCongress.$bHouse.$bCommittee on Science and Technology.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910696329303321
996   $aNASA$92959247
997   $aUNINA