Van Dijk, Johan. <br/><br/>
Taking the waters :  soil and water conservation among settling Beja nomads in Eastern Sudan / 
Johan Van Dijk. 
 - Leiden :  ASC,  1995. 
 - 324 p. 
<br/><br/><label>ISBN: </label>1859721621 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water conservation (Eastern Sudan)
<br/><br/><label>LC Class. No.: </label>TD 388.5  / .V36