Postgate, J. R <br/><br/>
Nitrogen fixation 
John Postgate 
 - 3rd ed 
 - Cambridge  Cambridge University Press  1998 
 - vi, 112 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references (p. 107-108) and index 
<br/><br/><label>ISBN: </label>9780521648530 
<br/><br/><label>ISSN: </label>98015362 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen - Fixation<br/>Nitrogen-fixing microorganisms<br/>Root-tubercles
<br/><br/><label>Dewey Class. No.: </label>572.545 POS