Malvino, Albert Paul <br/><br/>
Digital principles and applications 

 - 4th ed 
 - New Delhi  Tata McGraw-Hill  1991 
 - 540 p. 
<br/><br/><label>ISBN: </label>0074622318 
<br/><br/><label>Universal Decimal Class. No.: </label>621.391  / MAL