00258nam a2200121Ia 45000030006000000080041000060400015000471000016000622450020000782600009000985460012001070050017001190STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aPaul Surtan  aLabor economics  c1959  aEnglish20220125165519.0