Comer, Douglas. <br/><br/>
Computer networks and internets / 

 - 2nd ed. 
 - Upper Saddle River, N.J. :  Prentice Hall,  c1999. 
 - xxiii, 583 pages :  Illustrations ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0130836176 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Internetworking (telecommunication)
<br/><br/><label>LC Class. No.: </label>TK 5105.5  / COM