TY  - BOOK
ED  -  United Nations Environment Programme.
TI  -  Status of desertification and implementation of the United Nations p lan of action to combat desertification : : report of the executive di rector
PY  - 1992///
CY  -  s.l. : 
PB  -  s.n, 
KW  -  Desertification
KW  -  Control
ER  -