00429nam a2200145Ia 450000500170000000800410001703700130005804000200007104100130009108400180010410000110012224500750013326000660020830000090027420250326142149.0250326s9999    xx            000 0 und d  aTextbook  aFMSLbengcFMSL  aeng2eng  aFa M1;1qFMSL  aCarr M 0aEconomically appropriate technologies for developing countriescCarr M  aUnited KingdombUnited Kingdom, Intermediate technologyc1976  a123p