\input zb-basic \input zb-ioport \iteman{io-port 70709032} \itemau{Merten, Patrick S.; Teufel, Stephanie} \itemti{Technological innovations in the passenger process of the airline industry: A hypotheses generating explorative study} \itemso{ENTER, 348-358 (2008).} \itemcc{} \itemut{} \itemli{doi:10.1007/978-3-211-77280-5\_31} \end