Sprent, Janet I. <br/><br/>
The biology of nitrogen-fixing organisms / 
Janet I. Sprent. 
 - London :  McGraw-Hill,  1979. 
 - 196 p. :  ill. ;  24 cm. 
 - European plant biology series .
<br/><br/>Includes bibliographical references and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0070840873 
<br/><br/><label>LCCN: </label>7840897  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen-fixing microorganisms.<br/>Nitrogen--Fixation.