Sharma, Rupendra K. <br/><br/>
Build your own digital clocks 

 - New Delhi :   Bpb Publications,   1993. 
 - XXXII, 648 ;  
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical Sciences
<br/><br/><label>Dewey Class. No.: </label>621.3815  / SHA