TY  - BOOK
TI  - Media and communication technologies: a critical introduction
SN  - 9781403998903
U1  - 302.32 
PY  - 2009///
CY  - UK
PB  - Palgrave macmillan
N1  - Introduction.- The Early History of Technology and Communications: The Telegraph and the Telephone.- Radio.- Television.- Communication Channels: Data Delivery Platforms.- Digital Signals and Digital Broadcasting.- Computing, Communication and Convergence.- Mobile Communications.- An Information Society?
ER  -