Venkatsayyangar, N. <br/><br/>
Jyotivinodhini / 
N. Venkatsayyangar 
 - [S. l :  s. n.],  [n.d.] 
 - s 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Dewey Class. No.: </label>520