TY  - BOOK
AU  - Fang, Irving
TI  - A history of mass communication: : six information revolution
SN  - 0240802543
U1  - 302.209 
PY  - 1997///
CY  - Boston
PB  - Focal Press, 
KW  - Communication
KW  - History
N1  - Includes bibliographical references (pages [244]-254) and index
ER  -