00306nam a2200109Ia 450000500170000000800410001708200160005810000240007424500490009826000340014765000150018120240911060828.0190714s9999    xx            000 0 und d  a384.55bHIL  aHilliard, Robert L. 0aUnerstanding Television /cRobert L. Hillard  aU.S.A :bHasting House,c1964  aTelevision