Shey, W, A <br/><br/>
Understanding Data Communication And Networks  Textual Documents 

 - 3rd ed 
 - Chandigrah  B.S.Publications  2008 
 - XXV/766 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Dewey Class. No.: </label>5.71  / SHE