Stallings, Williams. <br/><br/>
Data and Computer Communications /   Textual Documents 
NULL. 
 - 6th ed /   . 
 - Delhi :   Pearson Education Inc. ,   2002. 
 - 878 ;   24*18. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Index Terms: </label>Data Communication and Computer Networks 
<br/><br/><label>Dewey Class. No.: </label>004.6  / STA