Rodríguez, H <br/><br/>
Ca requirement for aerobic nitrogen fixation by heterocystous blue-green algae.  [electronic resource] 

 -  Plant physiology  Apr 1990 
 - 886-90 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0032-0889 
<br/><br/><label>Standard No.: </label>10.1104/pp.92.4.886  doi