Akai, Junji <br/><br/>
Biogenic contribution to the formation of iron ore in Gumma iron mine, central Japan 

 - Utrecht  VSP BV  1997 
 - pp. 199-208  ilus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BIOMINERALIZACION<br/>CIANOBACTERIA<br/>HIERRO<br/>MICROSCOPIA ELECTRONICA
<br/><br/><label>Subjects--Geographic Terms: </label><br/>JAPON
<br/><br/><label>Subjects--Index Terms: </label>GUMMA, YAC. 
<br/><br/><label>Universal Decimal Class. No.: </label>R/061.3:55(100)/C74/30/9|3