000 00283nam a2200121Ia 4500
001 30153
008 170722s9999 xx 000 0 und d
100 _aRivers, William L.
245 _aMass media
_bReporting writing,editing /
250 _a2nd ed.
260 _c1975.
942 _cGEN
999 _c63989
_d63989