00370nam a2200133Ia 45000030006000000080041000060400015000471000020000622450070000822500011001522600044001635460012002070050017002190STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSilverman, H.A. 4aThe economics of social problems introduction to social economics  aSecond  bUniversity Tutorial press, Londonc1931  aEnglish20220125165527.0