Schneier, Bruce <br/><br/>
E-mail security :  how to keep your electronic messages private / 
Bruce Schneier 
 - New York :  John Wiley,  c1995 
 - xii, 365 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>047105318X (pbk) :  USD 17.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic mail systems
<br/><br/><label>Dewey Class. No.: </label>005.71369