computer networks  and internet with internet application 
Douglas E. Comer 
 - 4th ed 
 - USA  Pearson educational international  2004 
 - xxxi,719p  ill.:  23cm 
<br/><br/><label>ISBN: </label>0-13-123627-x 
<br/><br/><label>Dewey Class. No.: </label>001.64