000
00303nam a2200109Ia 4500
008
161118s2016 xx 000 0 und d
100
_a
World Bank
245
0
_a
Desertification In The Sahelian And Sudanian Zones Of West Africa
260
_a
Washington
_b
World Bank
_c
1985
300
_a
60p.
942
_2
ddc
999
_c
43115
_d
43115