Forouzan, B.  . <br/><br/>
Data communications and networking /  
by Behrouza Forouzan. 
 - 4th ed /  
 - New Delhi :   Tata McGraw-Hill Publishing Company Ltd. ,   2006 
 - xxxiv, 1134p :  
<br/><br/><label>ISBN: </label>0-07-063414-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science
<br/><br/><label>Dewey Class. No.: </label>Bv  / P6;18