Purser, Michael. <br/><br/>
Computer and telecommunications networks /Michael Purser.   

 - Oxford  Blackwell Scientific  1987 
 - viii, 323p 
 - Professional and industrial computing series. .
<br/><br/><label>ISBN: </label>0632016485 (pbk) 
<br/><br/><label>Dewey Class. No.: </label>004.6  / N872