00580naa a2200193 a 450000100080000000500110000800800410001910000190006024501110007926000090019065000180019965000120021765000260022965000220025565000130027765300250029065300230031577300480033818013432017-04-19       1987    bl ---       0--  u    #d1 aREYNAUD, P. A.  aEcology of nitrogen-fixing cyanobacteria in dry tropical habitats of West Africaba multivariate analysis.  c1987  aCyanobacteria  aecology  amultivariate analysis  anitrogen fixation  aEcologia  aAnalise multivariada  aNitrogenio fixacao  tPlant and Soilgv.98, n.2, p.203-220, 1987.