00995nmm 2200313Ka 450 991069503640332120060508145550.0(CKB)5470000002366358(OCoLC)68480240(EXLCZ)99547000000236635820060508d1970 ua engurcn|---|||||zzzrdacontentcrdamediacrrdacarrierSpace down to Earth[electronic resource][Washington, D.C.] :National Archives and Records Administration,[1970]1 file digital, Flash, sound, colorTitle from title screen (viewed on May 5, 2006).Artificial satellites, AmericanArtificial satellites, American.United States.National Archives and Records Administration.GPOGPOBOOK9910695036403321Space down to Earth3121838UNINA