Shelly, Gary B. <br/><br/>
Business data communicaions : introductory concepts and techniques 

 - 2nd ed. 
 - Cambridge, Mass. :  Course Technology,  1998 
 - 360 p. 
<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 1998