00558naa a2200193 a 450000100080000000500110000800800410001910000170006024501060007726000090018370000170019270000160020970000150022570000140024070000270025470000160028170000160029777300510031313035771999-05-12       1993    bl ---       0--  u    #d1 aGRIMALDI, M.  aEffets de la deforestation et des cultures sur la structure des sols argileux d'Amazonie bresilienne.  c19931 aSARRAZIN, M.1 aCHAUVEL, A.1 aLUIZAO, F.1 aNUNES, N.1 aRODRIGUEZ, M. de R. L.1 aAMBLARD, P.1 aTESSIER, D.  tCahiers Agriculturesgv.2, n.1, p.36-47, 1993.