TY  - GEN
AU  - United Nations Environment Programme
PY  - 1981
UR  - https://wedocs.unep.org/handle/20.500.11822/28983
LA  - English
KW  - desertification
KW  - ecosystem
KW  - environmental degradation
KW  - land degradation
KW  - Sudan
KW  - Chile
KW  - Malta
TI  - Desertification Control Number 4, May 1981
M3  - Communication or other resource
ER  -