TY  - BOOK
ED  - Paris Symposium on the Problems of the Arid Zone, 
TI  - The problems of the arid zone : : proceedings
PY  - 1962///
CY  - Paris : 
PB  - UNESCO , 
KW  - Arid regions
KW  - Congresses
KW  - Nomads
N1  -  Includes bibliographical references
ER  -