Proceeding on genesis of precambrian iron and manganese deposits 

 -  1973 
 - 382p.  cm. 
<br/><br/><label>Standard No.: </label>54307 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H7182:16.A51p1:N70, L3;1