1.		Wich hotel guest segments reuse towels? Selling sustainable tourism services through target marketing / Lujubica Knezevic Cvelbar, Bettina Grün and Sara Dolnicar Autor: Cvelbar, Ljubica Knezevic Coautor: ; Grün, Bettina Dolnicar, Sara
2.		The impact of IT-enabled customer service systems on service personalization, customer service perceptions, and hotel performance / Gabriele Piccoli, Tsz-Wai Lui and Bettina Grün Autor: Piccoli, Grabriele Coautor: ; Tsz-Wai, Lui Grün, Bettina