SINGH, Prahlad <br/><br/>
Stone observatories in Indian / 
[by] Prahlad Singh 
 - Varanasi  Bharata Manisha  1978 
 - ix, 215 p.- 
 - Bharata Manisha Research Series 11. .
<br/><br/><label>ISBN: </label>57752 
<br/><br/><label>Dewey Class. No.: </label>522.1  / SIN