Sprent,Janet I <br/><br/>
The Biology of Nitrogen-Fixing Organisms/ 
by Janet I.Sprent 
 - London:  Mc Graw-Hill Book Co.,  1979. 
 - 196p. 
<br/><br/><label>ISBN: </label>0070840873 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen--	--Fixation<br/>Nitrogen---fixing microorganisms	
<br/><br/><label>Dewey Class. No.: </label>574.133  / SPR/B