01785nam 2200505 450 991070475690332120131018093305.0(CKB)5470000002444156(OCoLC)860982004(EXLCZ)99547000000244415620131018d2013 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierAdvanced-to-revolutionary space technology options the responsibly imaginable /Dennis M. BushnellHampton, Virginia :National Aeronautics and Space Administration, Langley Research Center,[2013]1 online resource (26 pages) illustrationsNASA/TM 2013-217981Title from title screen (viewed Oct. 18, 2013)."April 2013."Includes bibliographical references (pages 25-26).Advanced-to-revolutionary space technology options Manned Mars missionsnasatCost effectivenessnasatManned space flightnasatSpace explorationnasatLow Earth orbitsnasatTechnology utilizationnasatManned Mars missions.Cost effectiveness.Manned space flight.Space exploration.Low Earth orbits.Technology utilization.Bushnell Dennis M.1168120United States.National Aeronautics and Space Administration,Langley Research Center,GPOGPOBOOK9910704756903321Advanced-to-revolutionary space technology options3501386UNINA