Vaigyanik Avum Anusandhan Parishad <br/><br/>
Bharat ki Sampada :  Prakritik Padartha  Vol 7 

 -  C S I R, N'Delhi 
 - pp 404;   28*22 
<br/><br/><label>Dewey Class. No.: </label>KA.2/152N84.7/B20769