LONGLEY, D.:  SHAIN , M.: <br/><br/>
Data and computer security : DICTIONARY OF STANDARDS, CONCEPTS AND TERMS 

 - 2nd ed. 
 -  Hants : Macmillan  1989 
 - 428 p. 
<br/><br/><label>ISBN: </label>0000333511786 
<br/><br/><label>Subjects--Topical Terms: </label><br/>data security : computer security
<br/><br/><label>Dewey Class. No.: </label>005.8  / L55