NEWTON,William E <br/><br/>
Nitrogen Fixation. Vol.1. Free-Living systerms and chemical models 

 - Maryland.  Univ. Park Press, GB  1980 
 - (xii),394p 
<br/><br/><label>ISBN: </label>0-8391-1561x 
<br/><br/><label>Dewey Class. No.: </label>630.133