000 00381 a2200145 4500
082 _a302.23
_bSCP
245 _aThe process and effects of mass communication
_cWilbur Schramm
260 _aIllinois:
_bThe University of Illinois,
_c1972.
300 _a586p.
500 _aHB
546 _aEng
650 _aMass media
_959327
700 _aSchramm,Wilbur (ed.)
_959328
942 _cBK
999 _c48629
_d48629