Floyd, Thomas L. <br/><br/>
Digital fundamentals 
Thomas L. Floyd. 
 - 3rd  ed. 
 - New Delhi  Universal  2002 
 - various pagination, 24cm. 
<br/><br/><label>ISBN: </label>81-85274-59-2. 
<br/><br/><label>Dewey Class. No.: </label>621.3916  / F59D