Black, Uyless. <br/><br/>
Data networks:  concepts, theory and practice 

 - London  Prentice Hall  1989. 
 - xvi; 877p.: ill. 
<br/><br/> Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0131984667 
<br/><br/><label>LC Class. No.: </label>TK 5105.5  / bla1989.