Peterson, Larry L <br/><br/>
Computer networks: a systems approach / 
Peterson, Larry L. 
 - 4th ed. 
 - San Francisco:  Elsevier,  2007. 
 - xxvii,806p;24cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8131210451 
<br/><br/><label>Dewey Class. No.: </label>004.6 PET