THE BIOLOGY of nitrogen fixation 
/ edited by A.Quispel 
 - Oxford  North-Holland  1974 
 - 769 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>720471354 
<br/><br/><label>Dewey Class. No.: </label>589.95  / BIO