00301nam a2200121Ia 45000030006000000080041000060400015000471000019000622450060000812600009001415460012001500050017001620STCL150530s9999 xx 000 0 und d aSTCLcSTCL aAlexander Gray aDevelopment of economic doctrine an introductory survey c1933 aEnglish20220125165453.0