Biological nitrogen fixation in forest ecosystems :  foundations and applications / 
edited by J. C. Gordon and C. T. Wheeler 
 - The Hague :  Martinus Nijhoff,  1983 
 - 342 p. :  ill. ;  25 cm. 
 - Forestry sciences  v. 9 .
<br/><br/><label>LCCN: </label>83-8141 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen--Fixation<br/>Forest ecology<br/>Forest management