Purser, Michael. <br/><br/>
Computers and telecommunications networks / 
Michael Purser. 
 - Oxford [Oxfordshire] :  Blackwell Scientific Publications,  1987. 
 - viii, 323 p. :  ill. ;  25 cm. 
 - Professional and industrial computing series. .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0632016485 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems.<br/>Data transmission systems.<br/>Computer networks.