Chleq Jean-Louis and Dupriez Hugues <br/><br/>
Vanishing Land and Water:  Soil and water conservation in dry lands/ 
Chleq Jean-Louis and Dupriez Hugues. 
 - v, 117p.:  ill (diagrams);  28cm. 
<br/><br/><label>ISBN: </label>9780333445976 
<br/><br/><label>LC Class. No.: </label>S 625 Chl