Sprent,Janet I <br/><br/>
The ecology of the nitrogen cycle 

 - Cambridge  Cambridge U.P.  1987 
 - 151 p. 
 - Cambridge studies in ecology .
<br/><br/><label>ISBN: </label>0521310520 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIFE SCIENCES
<br/><br/><label>Dewey Class. No.: </label>574.5222  / SPR