Lal, Rattan <br/><br/>
Sustainable management of soil resources in the humid tropics/ 
by Rattan Lal 
 - Tokyo  New York  United Nations University Press  c1995 
 - xvii, 146p.:  ill. 
<br/><br/> Include references 
<br/><br/><label>ISBN: </label>9280808761 
<br/><br/><label>Dewey Class. No.: </label>631.47