A brief history of the future : the origins of the internet / John Naughton
Eurodata Foundation Yearbook 1988-89 / Eurodata Foundation
Eurodata Foundation Voicebook : April 88 - March 89 / Eurodata Foundation
Modems and communication on IBM PCs / W. David Schwaderer
International directory of Telecommunications : market trends, companies, statistics, and personnel / Steven Roberts; Tony Hay
Telecommunications digest / Herbert A. Pairitz
Eurodata Foundation Yearbook 1980 / Eurodata Foundation