Nitrogen cycling in West African ecosystems / 
T. Rosswall (editor). 
 - Stockholm :  Royal Swedish Academy of Science,  1980. 
 - 450 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>9171900071 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen cycle--Africa.<br/>Biogeochemical cycles.