Trends in research and in the application of science and technologie for arid zone development.
Trends in research and in the application of science and technologie for arid zone development.
- París : UNESCO, 1979.
- 53 p.
- MAB technical notes ; 10 .
9231015974
338.984 (252) =20 TEN No.10.
9231015974
338.984 (252) =20 TEN No.10.