Description: Understanding data communications /

Bibliographic Details
Main Author:	Held, Gilbert.
Format:	Book
Published:	Indianapolis, IN: SAMS Publishing, 1996.
Edition:	5th ed.
Subjects:	Computer networks. Data transmission systems.

Description
Physical Description:	xv, 504 p.: ill.; 23 cm.
Bibliography:	Includes bibliographical references and index.
ISBN:	0672309343