BROWN,S <br/><br/>
IMPLEMENTING VIRTUAL PRIVATE NETWORKS 

 - NEW YORK  Tata McGraw-Hill  2000 
 - xxi+594p., 23X18Cms. 
<br/><br/><label>ISBN: </label>0074637800 
<br/><br/><label>Dewey Class. No.: </label>621.38195404 B877