Chleq J L <br/><br/>
Land And Life Vanishing Land And Water Soil And Water Conservation In Drylands 

 -  Wageningen : Cta 1988. 
 - 117 
 - Mcgraw-Hill Series In Water Resources And Environmental Engineering .
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0 333 44597 X (Pbk)