000 00395nam a2200145Ia 4500
001 8401
008 170722s9999 xx 000 0 und d
100 _aHead, Sydney W.
245 _aBroadcasting in America. A survey of television and radio /
260 _aHoughton Mifflin Co :
_bBoston ,
_c1956.
300 _axvi+502
_c24.1cms
653 _aElectronic Media
653 _aUs
942 _cGEN
999 _c162723
_d162723