HALSALL, Fred. <br/><br/>
Data Communications, Computer Networks and Open Systems 

 - 4th ed. 
 - Singapore  Pearson Education,  2002 
 - xvi, 908p.  
<br/><br/><label>ISBN: </label>81-7808-098-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data<br/>Communication<br/>Network
<br/><br/><label>Dewey Class. No.: </label>4.6