Held, G. Data and Computer Communications: Terms, Definitions and Abbreviations/ by Gilbert Held - Chichester; John Wiley & Sons: 1989. - viii,7860p.; ill.: 25cm. ISBN: 0471920665 Source: R-15731 Subjects--Topical Terms: --Data transmission systems - Dictionaries LC Class. No.: TK5102 / .H42 1989