Vaigyanik avum Anusandhan Parishad <br/><br/>
Bharat ki sampada : Prakritik Padartha  Vol 2 

 -  C S I R, N'delhi 
 - pp 423;   28*22 
<br/><br/><label>Dewey Class. No.: </label>KA.2/152N72.2/B20765