World soil erosion and conservation / 

 - Cambridge  New York  1993 
 - xii, 349p. 
<br/><br/><label>ISBN: </label>0521419670 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil erosion<br/>Soil conservation
<br/><br/><label>LC Class. No.: </label>S623.W67 1993