00250nam a2200097Ia 4500008004100000082002000041100001600061245002100077260004000098300001400138240817s9999    xx            000 0 und d  a621.3824 Ap48,a  aAppakutty,V 0aAntenna handbook  c1988a New Delhib BPB Publications  avi,111 p.