Forouzan , Behrrouz A <br/><br/>
Data communications and networking 
Behrouz A. Forouzan 
 - 4th ed. 
 - New Delhi  McGraw -Hill  2007 
 - xxxiv,1134 p. 
<br/><br/> Includes Index and Appendix 
<br/><br/><label>ISBN: </label>9780070634145 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data Communications
<br/><br/><label>Dewey Class. No.: </label>S/C-S/T D66 ,4:(D6,8(B)) P4,P7