Stewart, William Duncan Patterson <br/><br/>
Nitrogen fixation by free-living microorganisms 

 - London :  Cambridge University,  1975 
 - 471 p.  : ilus. : gráfs. 
 - International Biological Programme  ; 6 .
 - International Biological Programme  ; 6 .
<br/><br/><label>LCCN: </label>64404 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bacterias nitrificantes.<br/>Nitrógeno--Fijación.
<br/><br/><label>Dewey Class. No.: </label>631.46  / S84