Werner, Dietric <br/><br/>
Nitrogen fixation in agriculture, forestry, ecology and the environment, vol. 4 

 - Dordrecht  Springer  2005 
 - xix,347 p. 
<br/><br/><label>ISBN: </label>140203542X 
<br/><br/><label>Dewey Class. No.: </label>574.133  / NIT