00711cam a2200229 4500003000800000005001700008008004100025010001700066020001500083040002600098050001900124082001700143245010000160250001300260260005100273300003200324350001100356504004100367650001500408700002600423700003200449BD-DhUL20160328114407.0711108s1971 X a b 001 0 eng  a 74152000  a0252001974 aDLCcBD-DhULdBD-DhUL00aP90b.S38 197100a301.2432SCP04aThe process and effects of mass communication.cEdited by Wilbur Schramm and Donald F. Roberts. aRev. ed. aLondon : bUniversity of Illinois Pressc1971. aix, 997 p. :bills.c24 cm. a$15.00 aIncludes bibliographical references. 0aSociology.1 aSchramm, Wilbur,eed.1 aRoberts Donald F. 4jt. ed.