00636nam a2200253 a 450000100080000000500110000800800410001910000190006024500470007926000370012630000090016365300110017265300110018365300120019465300230020665300160022965300200024565300090026570000200027470000250029470000210031970000210034070000210036111150972000-11-23       1985    bl uuuu     u0uu1 u    #d1 aFRAZAO, D.A.C.  aMinerais secundarios em solos brasileiros.  aCampinas: Fundacao Cargillc1985  a37p.  aARGILA  aBRASIL  aMINERAL  aMINERAL SECUNDARIO  aMINERALOGIA  aRECURSO MINERAL  aSOLO1 aCARDOSO, E.M.R.1 aCAMPELO JUNIOR, J.H.1 aAZEVEDO, J.A. de1 aSANTOS, O.L. dos1 aGENU, P.J. de C.