000 00393 a2200145 4500
082 _a302.21
_bPRO
245 _aThe process and effects of mass communication
_cedited by Wilbur Schramm
260 _aIllinois:
_bThe University of Illinois,
_c1954.
300 _a586p.
500 _aPB
546 _aEng
650 _aMass media
_9179090
700 _aSchramm, Wilbur (ed.)
_945838
942 _cBK
999 _c67130
_d67130