TY  - GEN
AU  - CROWLEY, David
AU  - Hayer, Paul
TI  - Communication in History: Technology, Culture, Society
SN  - 0205512208
U1  - 302.209 5th ed.
PY  - 2007///
CY  - BONN,GER
KW  - Hayer, Paul.
KW  - Communication Technology
N1  - Index: p. 343-352
ER  -