Chleq Jean- louis. <br/><br/>
Land and life: vanshing land and water, Soil and water conservation in dry lands. 

 - London   macmillan pub  1988 
<br/><br/><label>ISBN: </label>978 0 333 44597 6 
<br/><br/><label>Dewey Class. No.: </label>333 7616 CHL