Schneier, Bruce <br/><br/>
E-mail security :  How to keep your electronic messages private / 
Bruce Schneier 
 - New York :  Wiley,  1995 
 - xii, 365 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>047105318X 
<br/><br/><label>LCCN: </label>94-033251 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic mail systems.
<br/><br/><label>Subjects--Index Terms: </label>Công nghệ thông tin Thư điện tử 
<br/><br/><label>LC Class. No.: </label>HE6239.E54  / S36 1995 
<br/><br/><label>Dewey Class. No.: </label>005.7  / SCH 1995