Shelly, Gary B. <br/><br/>
Business data communications :  introductory concepts and techniques / 
Gary B. Shelly, Thomas J. Cashman, Judy A. Serwatka 
 - 3rd ed. 
 - Australia :  Course Technology/Thomson Learning,  c2001 
 - 1 v. (various pagings) :  col. ill. 
 - Shelly Cashman series .
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0789559587 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business enterprises--COMMUNICATION SYSTEMS.<br/>DATA TRANSMISSION SYSTEMS<br/>Business enterprises--COMPUTER NETWORKS.
<br/><br/><label>LC Class. No.: </label>HD30.335  / S534B 2001