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

 - 5th 
 - New Delhi  1996 
 - xv,504 
<br/><br/><label>ISBN: </label>81-7635-066-4 
<br/><br/><label>Subjects--Personal Names: </label><br/>Computer Science
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science, information & general works