Nutman, P. S. <br/><br/>
Symbiotic nitrogen fixation in plants 

 - London :  Cambridge University,  1976 
 - 584 p.  : ilus. 
 - International Biological Programme  ; 7 .
 - International Biological Programme  ; 7 .
<br/><br/><label>LCCN: </label>33298 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bacterias.<br/>Nitrógeno--Fijación.<br/>Simbiosis nitrificantes.
<br/><br/><label>Dewey Class. No.: </label>631.46  / N48