00308nam a2200133Ia 45000030006000000080041000060400015000471000018000622450039000802500017001192600009001365460012001450050017001570STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aDas Gupta, A.  aEconomics and commercial geography  aTwenty First  c1964  aEnglish20220125165706.0