00274nam a2200121Ia 45000030006000000080041000060400015000471000024000622450028000862600009001145460012001230050017001350STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aRichard Buskirk, H.  aPrinciples of marketing  c1964  aEnglish20220125170607.0