Brown, Lester R. <br/><br/>
Soil erosion  : quiet crisis inthe world economy 

 - Washington :  Worldwatch Institute,  1984 
 - 49 p. 
 - Worldwatch paper  ; 60 .
 - Worldwatch paper  ; 60 .
<br/><br/><label>LCCN: </label>25199 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Erosión.<br/>Suelos--Conservación.