Shankara Rao, A. N. S. <br/><br/>
Science-Lence 

 - Vijayawada  Lakshmi Srinivas  1992 
 - 107p. 
<br/><br/><label>ISBN: </label> RS 15.00 
<br/><br/><label>Source: </label> RS 15.00 
<br/><br/><label>Dewey Class. No.: </label>500 SHA