Stallings, William  <br/><br/>
Business data communications 

 - 4th ed. 
 - New Delhi:  Prentice- Hall,  2001 
 - xxii, 659p.;  24cm. 
<br/><br/><label>ISBN: </label>812032384X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INTERFACING AND COMMUNICATIONS
<br/><br/><label>Dewey Class. No.: </label>004.6  / STA