HELD,Gilbert <br/><br/>
Understanding Data Communications 

 - 4th 
 - New Delhi  Prentice - hall of India (Pvt)  1996 
 - xvii,435p. 
<br/><br/><label>ISBN: </label>81-203-1080-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data Communications<br/>Understanding
<br/><br/><label>Dewey Class. No.: </label>004.6