Forouzan, Behrouz A., Au./ Fegan, Sophia Chung, Au. <br/><br/>
Data communications and networking 

 - 2nd 
 - New Delhi  Tata McGraw - Hill Publishing Com.  2003 
 - xxxii, 944p.  24cm. 
<br/><br/><label>ISBN: </label>0070499357 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Data communications
<br/><br/><label>Dewey Class. No.: </label>621.3981  / F65D