Schneier, Bruce <br/><br/>
E-mail security : how to keep your electronic messages private 
Bruce Schneier 
 -  c.1995 
<br/><br/><label>ISBN: </label>047105318X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic mail systems--EE
<br/><br/><label>Dewey Class. No.: </label>005.71369 SCH