Indian bureau of mines  Index no of number of minerals prices in India.    

 -  1961 
 - 61p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minings
<br/><br/><label>Dewey Class. No.: </label>X9(z):76:(B284).2.N6, K1