Giller, K. E. <br/><br/>
Nitrogen fixation in tropical cropping systems / 
Ken G. Giller & Kate J. Wilson. 
 - UK :  C.A.B. International,  1991. 
 - xii, 313 p. :  ill. 
<br/><br/><label>ISBN: </label>0851986714 
<br/><br/><label>LCCN: </label>92014006 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen--Fixation--Tropics.<br/>Nitrogen-fixing plants.