00364nam a2200145Ia 4500008004100000041000800041082001900049100001300068245002900081250001200110260003100122300000800153365001700161700004000178230718s9999    xx            000 0 und d  aeng  a621.382'5bPRA  aPratt T.  aSatellite Communications  a2nd ed.  c1986bJohn Wliey And  Sons  a472  cRs.b1073.00  aPratt T., Bostian C. & Allnutt J.E.