Williams, Frederick.
Communications revolutions / Frederick Williams. - Rev. ed. - New American Library 1983.
176
Computers and civilization.
Telecommunication - Social aspects.
QA76.9 / C66Wil.
Communications revolutions / Frederick Williams. - Rev. ed. - New American Library 1983.
176
Computers and civilization.
Telecommunication - Social aspects.
QA76.9 / C66Wil.