00274nam a2200121Ia 4500008004100000100001400041245003400055260001800089300000900107650001200116942000700128999001700135190216s9999||||xx |||||||||||||| ||und||  aAppakutty 0aSatellite Television Handbook  bBpb Pubc1986  a152p  aPhysics  cBK  c33430d33430