Dixey, F <br/><br/>
The availability of water in semi-arid lands :  possibilities and limitations 
 Land use in semi-arid mediterranean climates 

 - Arid zone research, 26 Recherches sur la zone aride, 26 .
<br/><br/> <Donation Engel> 
<br/><br/>bibliogr. p. 44-45