TY  - BOOK
AU  - Schramm,Wilbur Lang
AU  - Roberts,Donald F.
TI  - The process and effects of mass communication
SN  - 0252001974
AV  - P90 .S38 1971
U1  - 301.1608 
PY  - 1971///
CY  - Urbana
PB  - University of Illinois Press
KW  - Mass media
N1  - Bibliography: p. [967]-979
ER  -