Bazzi, RetoRetoBazziMelzer, MartinMartinMelzerEbersbach, LydiaLydiaEbersbach2023-04-132023-04-132010-08-01https://www.alexandria.unisg.ch/handle/20.500.14171/9612410.1007/s11621-010-0057-ydePremium-Markenpositionierung am Point of Salejournal article