Granhall, U. <br/><br/>
Environmental Role of Nitrogen-fixing Blue-green Algae and Asymbiotic Bacteria 

 - Stockholm  : Swedish Natural Science Research Council,  1978. 
 - 391p.  : ill.  ; 25cm. 
 - 26 .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>91-546-0243-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen<br/>Fixing microorganisms<br/>Congresses<br/>Fixing algae<br/>Cyanobacteria
<br/><br/><label>LC Class. No.: </label>QR89.7.E88