00762nam a2200229Ia 4500001000700000003000500007005001700012008004100029010001500070040001300085050002200098082001900120245009400139260007500233263000900308300001100317490003400328490002500362504006000387650005500447700003000502211240BIBL20160527194914.0970227s1997    dcu      b    001 0 eng    a 97010856   aDLCcDLC00aTK5104b.B48 199700a621.382/3822100aBeyond the ionospherebfifty years of satellite communicationcAndrew J. Butrica, editor.  aWashington, D.C.bNational Aeronautics and Space Administrationc1997.  a9705  a321 p. 0aNASA historical series2Local 0aNASA SPv42172Local  aIncludes bibliographical references (p. 289) and index. 0aArtificial satellites in telecommunication.2Local1 aButrica, Andrew J.2Local