Geology and geochemistry of manganese :  proceedings of the 2nd International Symposium on Geology and Geochemistry of Manganese held in Sydney, Australia, 17-24 August 1976 / 
edited by I.M. Varentsov and Gy. Grassenlly 
 - Stuttgart :  E. Schweizerbart,  1980 
 - v. :  ill.;  25 cm. 
<br/><br/><label>ISBN: </label>3510650980 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manganese--Congresses<br/>Geology--Congresses<br/>Geochemistry--Congresses