Methods for evaluating biological nitrogen fixation / 
edited by F.J. Bergersen. 
 - Chichester [England] ; New York :  Chichester [England] ; New York :  J. Wiley,  c1980. 
<br/><br/> "A Wiley-Interscience publication."  Includes indexes. 
<br/><br/>Bibliography: p. 637-680. 
<br/><br/><label>ISBN: </label> L.35.00 
<br/><br/><label>LCCN: </label>79041785 //r89 
<br/><br/><label>Nat. Bib. No.: </label>GB80 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen -- Fixation.--Nitrogen -- Fixation.<br/>Nitrogen-fixing microorganisms.
<br/><br/><label>LC Class. No.: </label>QR89.7  / .M47 
<br/><br/><label>Dewey Class. No.: </label>589