Beyda

Data Communications by Beyda Pearson US Imports & PHIPEs Paperback 4 August 1995 from£41.14 | RRP: ~~£28.99~~
Data Communications: From Basics to Broadband by William J Beyda Prentice Hall Paperback 22 June 2004 from£107.20 | RRP: ~~£54.99~~
Data Communications: From Basics to Broadband by William J. Beyda Prentice Hall Paperback 28 July 1999 from£45.42 | RRP: ~~£42.99~~