Communications systems and networks /
Horak, Ray.
Communications systems and networks / By Ray Horak. - 3rd ed. - New Delhi : Wiley Publishing Inc. , 2002. - xxxii,678p, ; PB 24 cm.
812650336X
Fundamentals of transmission systems
Messaging systems:facsimile voice processing and electronic mail
Conventional digital and data networks
004.65 / HORR
Communications systems and networks / By Ray Horak. - 3rd ed. - New Delhi : Wiley Publishing Inc. , 2002. - xxxii,678p, ; PB 24 cm.
812650336X
Fundamentals of transmission systems
Messaging systems:facsimile voice processing and electronic mail
Conventional digital and data networks
004.65 / HORR