Richardson, Andrew. <br/><br/>
Exploiting digital communications / 
Andrew Richardson 
 - Oxford :  National Computing Centre,  1988. 
 - 178 p. :  ill. ;  21 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0850126053 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital communications.