00309nam a2200121Ia 45000030006000000080041000060400015000471000021000622450066000832600009001495460012001580050017001700STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aPictro Salvincci  aStudy week o the econometric approach ot development planning  c1965  aEnglish20220125165628.0