Brown, Lester R.  1934- <br/><br/>
Soil erosion :  quiet crisis in the world economy / 
Lester R. Brown and Edward C. Wolf. 
 - Washington, D.C. :  Worldwatch Institute,  c1984. 
 - 49 p. ;  22 cm. 
 - Worldwatch paper ;  60 .
 - Worldwatch paper .
<br/><br/> "September 1984." 
<br/><br/>Bibliography: p. 45-49. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Erosão do solo.
<br/><br/><label>Dewey Class. No.: </label>301