Fred halsall <br/><br/>
Data communications, computer networks and open systems   

 - 4th,                                               
 - NULL  Pearson Education  2005 
 - xvi, 907       
<br/><br/>
<br/><br/><label>ISBN: </label>8178080982 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Networks
<br/><br/><label>Dewey Class. No.: </label>004. 6 HAD  /