Ettinger, J E <br/><br/>
Information security:   Applied technology 16 

 - London:   Chapman & Hall,   1993 
 - 195p. 
<br/><br/><label>ISBN: </label>0412414406 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information technology
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.3.06.004.4  / N3