Sarbas, Bärbel  <br/><br/>
Mn Manganess Minerals  (MO2-type tunnel oxides) / 
author Bärbel Sarbas 
 -  1996 
 - 250 S.  graph. Darst. 
<br/><br/><label>ISBN: </label>3540937463 0387937463 
<br/><br/><label>Universal Decimal Class. No.: </label>546+546.3