Comer, Douglas E. <br/><br/>
Computer Networks and Internets with Internet Applications /   Textual Documents 
NULL. 
 - 4th ed /   . 
 - Delhi :   Pearson Education Inc. ,   2004. 
 - 422 ;   28*20. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Index Terms: </label>Internet 
<br/><br/><label>Dewey Class. No.: </label>004.678  / COM