Ennis, Chris. <br/><br/>
Computer viruses  [Books]. 
Chris Ennis [and] Eddy Peers. 
 - Croydon  Deloitte Haskins & Sells  1989 
 - 63p :   ill ;   22cm 
<br/><br/><label>ISBN: </label>0863491553 
<br/><br/><label>Subjects--Personal Names: </label><br/>Computer viruses.