TY  - BOOK
AU  - Schramm,Wilbur
AU  - Roberts,Donald F.
TI  - The process and effects of mass communication
U1  - 302.23 PRO 
PY  - 1971///]
CY  - Urbana
PB  - University of Illinois Press, 
KW  - Mass media
N1  - Bibliography: p. [967]-979
ER  -