Manganese dioxide:   A market survey 
/ Minieral economics division 
 - Nagpur:   Minieral economics division,   1976 
 - 38p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical Technology 
<br/><br/><label>Subjects--Index Terms: </label>Manganese 
<br/><br/><label>Universal Decimal Class. No.: </label>661.871  / L6