Data communications :
Beyda, William J.
Data communications : from basics to broadband / William J. Beyda. - 4th ed. - Upper Saddle River, NJ. : Prentice Hall, 2005. - xv, 379 p.
013145692x :
Data transmission systems.
Data communications : from basics to broadband / William J. Beyda. - 4th ed. - Upper Saddle River, NJ. : Prentice Hall, 2005. - xv, 379 p.
013145692x :
Data transmission systems.