000 00532nam a22001457a 4500
008 220518b |||||||| |||| 00| 0 eng d
020 _a0060135948.
050 _aHM258.S287 1980
100 _aRivers, L. Rivers,Schramm. Wilbur,Christians ,G.Clifford
_951660
245 _aResponsibility in mass communication;
_cWilliam L. Rivers,Wilbur, Schramm,Clifford G. Christians
260 _aNew York:
_bHarper & Row,Publishers;
_c1980.
300 _a378p.;
_c21cm.
650 _amass media
_xsocial aspects
_911032
942 _2lcc
_cMONOGRAPH
999 _c131456
_d131456