00500naa a2200181 a 450000100080000000500110000800800410001910000200006024500830008026000090016365000230017265000200019565300080021565300080022365300240023170000190025577300440027416147571995-06-27       1990    bl ---       0--  u    #d1 aVAN VEEN, J. A.  aSoil structural aspects of decomposition of organic matter by micro-organisms.  c1990  aMatéria Orgânica  aMineralização  a14C  a15N  aBIOMASSA MICROBIANA1 aKUIKMAN, P. J.  tBiogeochemistrygv.11, p.213-233, 1990.