User Requirements for Intermodal Mobility Applications and Acceptance of Operating Concepts. - Ulrike Stopka; René Pessier; Katrin Fischer (HCI (1), 2015)

Evaluation Methods and Results for Intermodal Mobility Applications in Public Transport. - Ulrike Stopka; Katrin Fischer; René Pessier (HCI (3), 2016)

Mobility as a Service (MaaS) Based on Intermodal Electronic Platforms in Public Transport. - Ulrike Stopka; René Pessier; Christian Günther (HCI (2), 2018)