Data communications and networking/ 
Behrouz A. Forouzan; with Sophia Chung Fegan 
 - Third edition 
 - New York:  McGraw-Hill,  2004. 
 - xxxiv, 973 pages:  illustrations;  24 cm. 
<br/><br/> Includes glossary and index<br/> 
<br/><br/><label>ISBN: </label>0072515844 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks<br/>Data transmission systems
<br/><br/><label>LC Class. No.: </label>Circ TK 5105 .F67 2004