Sharma, Sanjay.  <br/><br/>
Digital communications / 

 - New Delhi,  S. K. Kataria and Sons,   c2012. 
 - 582p. ;  ill. ;  24 cm.  
<br/><br/><label>ISBN: </label>9789350142684 
<br/><br/><label>LC Class. No.: </label>18127 
<br/><br/><label>Dewey Class. No.: </label>621.380413