Brown, Steven. <br/><br/>
Implementing virtual private networks / 
Steven Brown 
 - New York :  McGraw-Hill,  1999 
 - 594 p. :  ill. 
<br/><br/><label>ISBN: </label>007135185x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Extranets (Computer networks)
<br/><br/><label>LC Class. No.: </label>TK5105.875.E87  / B76 I5 1999