000
002860000a22001210004500
008
140223b1980 xxu||||| |||| 00| 0 eng d
041
_a
English
100
_a
:UNESCO
245
_a
CASE STUDIES ON DESERTIFICATION
260
_a
PARIS
_b
UNESCO
_c
1980
650
_a
_a
906
_a
:UNESCO
999
_c
136352
_d
136352