00646naa a2200253 a 450000100080000000500110000800800410001910000200006024500630008026000090014365000110015265000120016365000160017565000140019165000080020565300140021365300100022770000130023770000170025070000220026770000200028970000180030977300650032718056162017-04-11       1991    bl ---       0--  u    #d1 aPFEIFFER, W. C.  aMercury in the Madeira River, ecosystem, Rondonia, Brazil.  c1991  aBrazil  amercury  aEcossistema  aMercúrio  aRio  aEcosystem  aRiver1 aMALM, O.1 aSOUZA, C. M.1 aLACERDA, L. D. de1 aSILVEIRA, E. G.1 aBASTOS, W. R.  tForest Ecology and Managementgv.38, n.3/4, p.239-245, 1991.