Leach, Donald P. <br/><br/>
Digital Principles and Applications  

 - 7th 
 - New Delhi   Tata McGraw Hill Education  2011 
 - 682p. 
<br/><br/><label>ISBN: </label>9780070141704 
<br/><br/><label>Dewey Class. No.: </label>621.395  / Lea-D