TY  - BOOK
AU  - Walton,Kenneth
TI  - The arid zones
T2  - Hutchinson university library, geography
SN  - 0090959507
U1  - 333.73 
PY  - 1969///
CY  - London
PB  - Hutchinson
KW  - Arid regions
N1  - Bibliography: p. 161-168
ER  -