GILLER E,Ken <br/><br/>
Nitrogen fixation in Tropical cropping systerms 

 - England.  C.A.B. International  1991 
 - (xii),314p 
<br/><br/><label>ISBN: </label>0 85 198 843 3 
<br/><br/><label>Dewey Class. No.: </label>630.133