00270nam a2200121Ia 45000030006000000080041000060400015000471000019000622450029000812600009001105460012001190050017001310STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aRichards, R.D.  aGround work of economics  c1933  aEnglish20220125165607.0