Lal, R. <br/><br/>
Soil erosion in the tropics :  principles and management / 
Rattan Lal. 
 - New York :  McGraw-Hill,  c1990. 
 - x, 580p. 
<br/><br/><label>LCCN: </label>90031093     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil erosion--Tropics.<br/>Soil conservation--Tropics.