Editors of Time Life Books <br/><br/>
Understanding computers    Computer security 

 - Virginia  Time Life Books        1986 
 - 128p.  cm. 
<br/><br/><label>ISBN: </label>0809456702 
<br/><br/><label>Standard No.: </label>103228 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENGINEERING
<br/><br/><label>Dewey Class. No.: </label>D65,8(B), M6