00270nam a2200097Ia 450000500170000000800410001705000140005810000150007224500410008726000440012820251229191228.0251229s9999    xx            000 0 und d  aS 544 .W3  aWatts, E.R 0aNew hope for ruaral Africa.cE Watts  aMakerereb university East Africac1967