00653naa a2200205 a 450000100080000000500110000800800410001910000210006024501320008126000090021365300150022265300120023765300150024965300170026465300130028170000210029470000200031570000180033577300940035310144622004-02-25       2003    bl uuuu     u00u1 u    #d1 aEL-sheekh, m. m.  aEffect of cobalt on growth, pigments and the photosynthetic electron transport in Monoraphidium minutum and Nitzchia perminuta.  c2003  aAlga verde  aCobalto  aDiatomacea  aFotossintese  aPigmento1 aEL-NAGGAR, A. H.1 aOSMAN, M. E. H.1 aEL-MAZALY, E.  tBrazilian Journal of Plant Physiology, Londrinagv. 15, n. 3, p. 159-166, sept/dec. 2003.