Howell P P <br/><br/>
Nile   Sharing a scarce resource    
Howell P P 
 - Cambridge  Cambridge University Press          1994 
 - xvi, 408p Bibliography chapterwise  cm. 
<br/><br/><label>ISBN: </label>0521450403 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>U216.67.N9, N4