000 00303nam a2200109Ia 4500
008 161118s2016 xx 000 0 und d
100 _aWorld Bank
245 0 _aDesertification In The Sahelian And Sudanian Zones Of West Africa
260 _aWashington
_bWorld Bank
_c1985
300 _a60p.
942 _2ddc
999 _c43115
_d43115