000 00318nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _a"MCCOMBS,ME & BECKER, LB."
245 0 _aUsing Mass Communication Theory
260 _bPRENTICE HALL
260 _c1979
365 _b0.00
650 _aExtension
942 _cBK
999 _c254611
_d254611