Bergersen, F. J. <br/><br/>
Root nodules of legumes :  structure and functions / 
F. J. Bergersen. 
 - Chicago :  Research Studies Press,  1982. 
 - x, 164 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliography and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0471104566 
<br/><br/><label>LCCN: </label>83185046  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Legumes.<br/>Root-tubercles.<br/>Nitrogen--Fixation.