00336nam a2200133Ia 45000030006000000080041000060400015000471000019000622450061000812500011001422600020001535460012001730050017001850STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aLionel Robbins  aEssay on the nature and significance of economic science  aSecond  bMacmillanc1962  aEnglish20220125165609.0