Forouzan, Behrouz A. <br/><br/>
Data communications and networking 
Behrouz A. Forouzan with Catherine Coombs and Sophia Chung Fegan. 
 - 2nd update ed. 
 - Delhi  Tata McGraw-Hill  c2001. 
 - xxxii, 944p.  ill. (some col.  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780070499355 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems.<br/>Computer networks.
<br/><br/><label>Dewey Class. No.: </label>004.6