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

 - 5th 
 - New Delhi  Tata Mcgraw- Hill Publishing   2003 
 - 638p. 
<br/><br/><label>ISBN: </label>9780070472587 
<br/><br/><label>Dewey Class. No.: </label>621.38