Kosiur, David R. <br/><br/>
Building and managing virtual private networks / 
Dave Kosiur 
 - New York :  Wiley,  c1998 
 - xvi, 395 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0471295264 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Extranets (Computer networks)<br/>Business enterprises--Computer networks