Forouzan, Behrouz A. <br/><br/>
Data communications and networking.4th Ed./ 
Behrouz A. Forouzan  
 - 4th ed. 
 - New Delhi:  McGraw-Hill  2008 
 - xxxiv, 1134 p. :  ill. ;  24 cm. 
 - McGraw-Hill Forouzan networking series. .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9 780070 634145 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.<br/>Computer networks.
<br/><br/><label>Dewey Class. No.: </label>004.7 FOR