00306nam a2200121Ia 45000030006000000080041000060400015000471000035000622450049000972600009001465460012001550050017001670STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aJohn Narver, C.; Ronald Savitt  aConceptual readings in the marketing economy  c1971  aEnglish20220125165609.0