Hughes Larry <br/><br/>
Introduction to data communications    A practical approach.      

 - New Delhi  Narosa        1997 
 - xv,502p  cm. 
<br/><br/><label>Standard No.: </label>6698 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D6,8(B),4, N7