Sheekh, M.M. el Naggar, A.H. el Osman, M.F.H. <br/><br/>
Effect od cobalt on growth, pigments and the photosynthetic electron transport in Monoraphidium minutum and Nitzchia perminuta 

<br/><br/><label>Subjects--Topical Terms: </label><br/>ALGA<br/>BIOLOGIA VEGETAL<br/>FOTOSSÍNTESE<br/>PIGMENTO