Feldman, Tony
An introduction to digital media
Routledge , 1997
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Ziemer, Rodger E.
Introduction to digital communication
Maxwell Macmillan Int., 2001
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Speidel, Joachim
Introduction to digital communications
Springer Cham, 2019
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Proakis, John G.
Introduction to digital signal procesing
Macmillan, 1988
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Nashelsky, Louis
Introduction to digital computer technology
John Wiley & Sons, 1977
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