TY  - BOOK
AU  - Fang,Irving E.
TI  - A history of mass communication: six information revolutions 
SN  - 0240802543 (paper)
AV  - P90 .F27 1997
PY  - 1997///
CY  - Boston
PB  - Focal Press
KW  - Communication
KW  - History
N1  - Includes bibliographical references (p. 244-254) and index; What Are Information Revolutions? -- 1. Writing: The First Revolution -- 2. Printing: The Second Revolution -- 3. Mass Media: The Third Revolution -- 4. Entertainment: The Fourth Revolution -- 5. The Toolshed Home: The Fifth Revolution -- 6. The Highway: The Sixth Revolution -- A Summing Up
ER  -