00310nam a2200133Ia 4500008004100000041000800041082001900049100001700068245002900085260002200114300000800136365001500144700001700159230718s9999    xx            000 0 und d  aeng  a621.382'5bAGA  aAgarwal D.C.  aSatellite Communications  bKhanna Publishers  a479  cRs.b70.00  aAgarwal D.C.