Kaufman, Charlie. <br/><br/>
Network security :  private communication in a public world / 
Charlie Kaufman, Radia Perlman, Mike Speciner. 
 - Englewood Cliffs, New Jersey :  PTR Prentice Hall,  c1995. 
 - xx, 504 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0130614661 
<br/><br/><label>Subjects--Index Terms: </label>Computer security  Computers--Access control  Electronic data processing departments--Security measures 
<br/><br/><label>Dewey Class. No.: </label>005.8  / KAU