Vaigyanik avum Anusandhan Parishad <br/><br/>
Bharat ki Sampada : Prakritik Padartha  Vol 3 

 -  C S I R, N'Delhi 
 - pp 421;   28*22 
<br/><br/><label>Dewey Class. No.: </label>KA.2/152N72.3/B20766