Assessment of Erosion 

 - John Wiley & Sons (Wiley-Blackwell)  U.S.A.  1980 
 - 563p.  fig. 
<br/><br/><label>Nat. Bib. No.: </label>5302 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>631.45  / BOO