00370nam a2200133Ia 45000030006000000080041000060400015000471000023000622450079000852500010001642600033001745460012002070050017002190STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aChristina Fulop A.  aCompetition for consumers A study of the changing channels of distribution  aFirst  bGeorge Allen and Unwinc1964  aEnglish20220125165603.0