00337nam a2200133Ia 45000030006000000080041000060400015000471000019000622450052000812500010001332600031001435460012001740050017001860STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aPaul David, A.  aTechnical choice innovation and economic growth  aFirst  bCambridge universityc1975  aEnglish20220125165631.0