000 00408nam a2200145Ia 4500
008 190624s9999 xx 000 0 und d
040 _cPK-GjGUL
082 _a384.54
_bHEA-W
100 _a"Head, Sydney W."
245 _aWorld broadcasting systems a
_b: A comparative analysis
_c"Head, Sydney W."
260 _aCalifornia
_bWadsworth
_c1985
300 _a457 p.
650 _aMass Communication
942 _cBK
999 _c17111
_d17111