P. DONALD  LEACH  ALBERT PAULMALVINO <br/><br/>
DIGITAL PRINCIPLES AND APPLICATIONS 

 - NEW DELHI  Tata McGraw-Hill  2006 
<br/><br/><label>ISBN: </label>0-07-060175-5 
<br/><br/><label>Dewey Class. No.: </label>005.1  / LEA/D