00303nam a2200133Ia 45000030006000000080041000060400015000471000018000622450041000802500010001212600009001315460012001400050017001520STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aHawtrey, R.G.  aGold standard in theory and practice  aFifth  c1947  aEnglish20220125165550.0