Analysis of processing technology for manganese nodules 
United Nations Ocean Economics and Technology Branch 
 - London  Published in cooperation with the United Nations by Graham & Trotman  1985 
 - 97 p.  ill.  22cm 
 - Seabed minerals series  v.3 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manganese--Metallurgy<br/>Manganese nodules
<br/><br/><label>Dewey Class. No.: </label>622  / .34629