Ayala, Kenneth J <br/><br/>
The 8051 microcontroller 

 - 2nd ed 
 - Penram International, Mumbai  1996 
 - 367p 
<br/><br/><label>ISBN: </label>81-900828-4-1 
<br/><br/><label>Dewey Class. No.: </label>001.644 Aya