Narayanan, P. I. A. <br/><br/>
Beneficiation of low grade manganese ores of India / 
P. I. A. Narayanan and N. N. Subrahmanyan 
 - New Delhi :  Council of Scientific and Industrial Research,  c1959 
 - viii, 182 p. ;  24 cm. 
<br/><br/>Bibliography : p. 178 
<br/><br/><label>ISBN: </label> Rs. 10.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manganese ores--Analysis
<br/><br/><label>Dewey Class. No.: </label>533.460954