Ayala,Kenneth J <br/><br/>
The 8051 Microcontroller Architecture Programming And Application Second Edition 

 - Vidhyanagar  Penram International Pub, INDIA  1996 
<br/><br/><label>ISBN: </label>81-900828-4-1 
<br/><br/><label>Dewey Class. No.: </label>3  / AYA