SCHIERBEEK(E W) <br/><br/>
Research Digest : Institute for Land and Water Management Research 

 -  1980  IDRC 
 - 1-235  0  Paper 
<br/><br/> Hard Binding 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil & Water Conservation
<br/><br/><label>Dewey Class. No.: </label>DT1-2:8    M0