00548nam a2200205 a 450000100080000000500110000800800410001910000200006024500950008026000310017530000210020649000100022765000110023765000210024865300110026965300170028065300110029770000180030870000160032615871351992-07-07       1972    bl uuuu     u0uu1 u    #d1 aPINTO, O. C. B.  aNatureza e formacao de caolinita em forma de pseudomica, em solos de Vicosa, Minas Gerais.  aVicosa: Experientiaec1972  ap.383-421. v.13.  vv.13.  aArgila  aQuímica do Solo  aBrasil  aMinas Gerais  aVicosa1 aYAHNER, J. E.1 aROTH, C. B.