000 00642nam a2200181Ia 4500
008 190328s9999||||xx |||||||||||||| ||und||
020 _a92-9141-017-9
040 _aNITIL
_cNITIL
082 _221st
_a333.736096
_bU58O
100 _aBreman, Henk
110 _aUnited Nations University. Institute for New Technologies
245 0 _aOpportunities and constraints for sustainable development in semi arid Africa
_cHenk Breman
260 _aNew York
_bUnited Nations
_c1995
300 _aiii, 23p.
440 _aUNU/INTECH Working paper; no. 18
650 _aSustainable development-Africa; Arid regions-Africa; Agriculture-Africa
942 _cBKS
999 _c951
_d951