00420nam a2200157 a 450000100080000000500110000800800410001924500540006026000240011430000160013849000380015465000090019265000090020165300350021065300170024520106632015-06-18       1962    bl uuuu     u0uu1 u    #d  aIDENTIFICATION and nomenclature of soil horizons.  a[S. l.]: USDAc1962  cp. 173-188.  a(USDA. Agriculture handbook, 18).  asoil  aSolo  aNomenclatura - classificação  aNomenclature