Handbook of data communications 

 - New Delhi  Bookmen Associates  1984 
 - 497p. 
<br/><br/><label>ISBN: </label> 170 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication engineering<br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>621.382  / HAN