Davies, Donald W. <br/><br/>
Communication networks for computers   
by Donald W. Davies and Derek L. A. Barber 
 - London  John-Wiley  1973 
 - xviii, 575p 
<br/><br/><label>ISBN: </label>0471198749 
<br/><br/><label>Dewey Class. No.: </label>001.64  / N73