Computer Secuirity:  Things Every Employee Should Know/  English. 
Ben Rothke. 
 - 2nd Ed. 
 - USA:  The McGraw-Hill Companies,  2005. 
 - ix,48p.:  ill.;  23cm. 
<br/><br/><label>ISBN: </label>0072262826 
<br/><br/><label>Dewey Class. No.: </label>681.141  / ROT