00338naa a2200121 a 450000100080000000500110000800800410001910000190006024500710007926000090015065000090015977300480016816200831995-06-27       1967    bl ---       0--  u    #d1 aGOEDERT, W. J.  aContribuicao ao estudo das argilas dos solos do Rio Grande do Sul.  c1967  aSolo  tPesq. Agropec. Bras.gv.2, p.245-258, 1967.