00592naa a2200193 a 450000100080000000500110000800800410001910000170006024500910007726000090016865300190017765300150019665300200021170000170023170000170024870000170026570000180028277300980030010829242012-01-11       1999    bl uuuu     u00u1 u    #d1 aMUSSEL, W.N.  aCompositional and structural variabilities of mg-rich iron oxide spinels from tuffite.  c1999  aMagnetização  aMössbauer  aSolo magnético1 aFABRIS, J.D.1 aCOEY, J.M.D.1 aSANS, L.M.A.1 aLELIS, M.F.F.  tRevista Brasileira de Ciência do Solo, Viçosa, MGgv. 23, n. 4, p. 791-798, out./dez. 1999.