Primary productivity of grass ecosystems of the tropics and sub-tropics / 
edited by Stephen P. Long, Michael B. Jones, Michael J. Roberts. 
 - London :  Chapman & Hall,  1992. 
 - xvi, 267 p. :  ill., maps 
<br/><br/><label>ISBN: </label>0412410206 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grassland ecology--Tropics.<br/>Primary productivity (Biology)--Tropics.