00328naa a2200133 a 450000100080000000500110000800800410001910000190006024500380007926000090011765000140012665000180014077300360015816047961995-06-27       1982    bl ---       0--  u    #d1 aMERRICK, M. J.  aA new model for nitrogen control.  c1982  aGenética  aMicrorganismo  tNaturegv.297, p.362-363, 1982.