Computer networks and their protocols 
D. W. Davies ... et al. 
 - Eng. ; New York  Wiley : Chichester  1979 
 - xv, 487 p. : ill. ; 24 cm. 
<br/><br/> 'A Wiley-Interscience publication.' 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0471997501 
<br/><br/><label>LCCN: </label>78-021973 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks