Nitrogen fixation by free-living micro-organisms / 
[edited by] W. D. P. Stewart. 
 - Cambridge, England ;  New York :  Cambridge University Press,  c1975. 
 - xxi, 471 pages :  Illustrations ;  24 cm. 
 - International Biological Programme ;  6 .
 - International Biological Programme ;  6. .
<br/><br/> "Papers presented at an IBP synthesis meeting on nitrogen fixation held in Edinburgh in September 1973, together with contributions submitted by other[s]."  Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0521207088 
<br/><br/><label>LCCN: </label>75002731 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen-fixing microorganisms--Congresses.<br/>Nitrogen--Fixation--Congresses.
<br/><br/><label>LC Class. No.: </label>QR89.7  / .N57 
<br/><br/><label>Dewey Class. No.: </label>589/.7/04133