00572naa a2200217 a 450000100080000000500110000800800410001910000170006024500850007726000090016265000180017165000120018965000130020165000180021465000110023265300200024365300100026365300110027370000190028477300510030317970091999-06-17       1979    bl ---       0--  u    #d1 aROGER, P. A.  aPremieres donnees sur l'ecologie d'Azolla africana en zone sahelienne (Senegal).  c1979  aCyanobacteria  aecology  aEcologia  aFotossíntese  aPlanta  aAzzola africana  aPlant  aVIA C41 aREYNAUD, P. A.  tOecologia Plantarumgv.14, n.1, p.75-84, 1979.