Comer, Douglas E. <br/><br/>
Computer networks and internets / 
Douglas E. Comer. 
 - 4th ed. 
 - Delhi :  Pearson Education,  c2004. 
 - xxxi, 719 p. :  ill. ;  25 cm. +  1 computer laser optical disc (4 3/4 in.) 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><br/>System requirements for accompanying computer disc: Microsoft Windows ; UNIX. 
<br/><br/><label>ISBN: </label>8129703300 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Internetworking (Telecommunication)