00298nam a2200121Ia 45000030006000000080041000060400015000471000018000622450047000802600020001275460012001470050017001590STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aFritz Machlup  aHistory of thought on economic integration  bMacmillanc1977  aEnglish20220125165450.0