00273nam a2200109 a 4500041000800000082001800008100001700026245004700043260003800090300001000128650002500138  aeng  a338.9bS73e26  aStewart, I.G  aEconomic development and structural change  aEdinburghbUniversity Pressc1969  a193 p  aDESARROLLO ECONOMICO