Nutman, P. S. <br/><br/>
Symbiotic nitrogen fixation in plants 
edited by P. S. Nutman. 
 -  Cambridge University Press Cambridge [Eng.]  1976  1976 
 - xxviii, 584 p. :ill. ;24 cm. 
 - International Biological Programme  7 .
<br/><br/> Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0521206456 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen -- Fixation.<br/>Legumes.<br/>Micro-organisms, Nitrogen-fixing.<br/>Symbiosis.--QK
<br/><br/><label>LC Class. No.: </label>QK898.N6S95