Genetics and regulation of  nitrogen fixation in free- living bacteria/ 
edited by Werner Klipp [et al.]. 
 - Dordrecht, the Netherlands :  Kluwer Academic Pub.,  2004. 
 - xix, 300 p. :  ill.;  25 cm. 
 - Nitrogen fixation : origins, applications, and research progress  v. 2. .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>140202178X : 1402021791 (e-book) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen--Fixation<br/>Nitrogen-fixing microorganisms
<br/><br/><label>Dewey Class. No.: </label>572.545