00586naa a2200193 a 450000100080000000500110000800800410001910000180006024500790007826000090015765300290016665300190019565300160021465300190023070000170024970000180026670000180028477300900030210591212008-04-25       2001    bl uuuu     u00u1 u    #d1 aSANTANA, G.P.  aMagnetite and its transformation to hematite a soil derived from steatite.  c2001  aEspectroscopia Mossbauer  aOxido de ferro  aPedra-sabao  aSolo magnetico1 aFABRIS, J.D.1 aGOULART, A.T.1 aSANTANA, D.P.  tRevista Brasileira de Ciencia do Solo, Vicosagv. 25, n. 1, p. 33-42, jan./mar. 2001.