TY  - BOOK
ED  - International Conference on Arid Lands in a Changing World
ED  - Dregne, H. E.
TI  - Arid lands in transition
T2  - Publication (American Association for the Advancement of Science) ; no.90
SN  - 0871680904
PY  - 1970///
CY  - Washington
PB  - American Association for the Advancement of Science
KW  - Agriculture
KW  - Congresses
KW  - Arid regions
N1  - Includes bibliographies
ER  -