Held, Gilbert  1943- <br/><br/>
Data communications : a comprehensive approach 

 - 3rd ed. 
 - New York, N.Y. :  McGraw-Hill,  1995 
 - 567 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DATA TRANSMISSION SYSTEMS
<br/><br/><label>LC Class. No.: </label>TK5105  / H442D 1995