Erosion, conservation and small-scale farming / 
edited by Hans Hurni and Kebede Tato. 
 - Berne :  Geographica Bernensia,  1992. 
 - xiii, 582 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil erosion.<br/>Soil conservation.