Douglas E Comer <br/><br/>
Computer networks & internets 

 - 
 -  Prentice-Hall  1997 
 - 506 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-13-599010-6 
<br/><br/><label>Dewey Class. No.: </label>004.738.5