Description: Telecommunications networks :

Main Author:	Murphy, R. J.
Format:	Book
Language:	English
Published:	Indianapolis, Ind. : H.W. Sams, c1987.
Edition:	1st ed.
Subjects:	Telecommunication systems. Data transmission systems. Integrated services digital networks. Ψηφιακά δίκτυα ολοκληρωμένων υπηρεσιών