Stallings, William  . <br/><br/>
Business data communications /  
by William Stallings and Richard Van Slyke. 
 - 3rd ed /  
 - New Jersey :   Prentice Hall, inc. ,   1998 
 - 558p ;  
<br/><br/><label>ISBN: </label>0-13-594581-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic- Data communication
<br/><br/><label>Dewey Class. No.: </label>X:74(BV)  / N8