Broughton, W. J. <br/><br/>
Nitrogen fixation  rhizobium.  
W. J. Broughton 
 - Oxford  Clarendon Press  1982 
 - xi,353p.  ill.  24cm. 
 -  Vol.2 .
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0-19-854552-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen<br/> Fixation
<br/><br/><label>LC Class. No.: </label>AMU QR89.7.N57