Brown, Steven <br/><br/>
Implementing virtual private networks 

 - New York:   McGraw-Hill,   1999 
 - xxi, 594p. 
<br/><br/><label>ISBN: </label>007135185X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wide area networks
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.324  / N9