Identification of User Requirements for Mobile Applications to Support Door-to-Door Mobility in Public Transport. - Ulrike Stopka (HCI (3), 2014)

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)

Development of a Concept for Evaluation User Acceptance and Requirements for NFC Based E-ticketing in Public Transport. - Gertraud Schäfer; Andreas Kreisel; Denise Rummler; Ulrike Stopka (HCI (2), 2017)

NFC-Enabled eTicketing in Public Transport - Aims, Approaches and First Results of the OPTIMOS Project. - Ulrike Stopka; Gertraud Schäfer; Andreas Kreisel (HCI (2), 2017)

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

Nutzeranforderungen an mobile Applikationen für NFC-basierte eTickets im ÖPNV. - Andreas Kreisel; Denise Rummler; Gertraud Schäfer; Ulrike Stopka (MKWI, 2018)

Business and Billing Models for Mobile Services Using Secure Identities. - Ulrike Stopka; Gertraud Schäfer; Andreas Kreisel (HCI (31), 2019)

Acceptance and Diffusion of Services Based on Secure Elements in Smartphones - Study Design and First Results of the Pretests. - Andreas Kreisel; Gertraud Schäfer; Ulrike Stopka (HCI (32), 2020)

Multimodal Mobility Packages - Concepts and Methodological Design Approaches. - Ulrike Stopka (HCI (33), 2020)

Usability Study of an Innovative Application in Public Transport by Using Hardware-Based Security Technology. - Gertraud Schäfer; Andreas Kreisel; Ulrike Stopka (HCI (30), 2021)

Corporate Mobility Budgets as a Contribution to the Enforcement of Sustainable Mobility. - Markus Schlegel; Ulrike Stopka (HCI (34), 2022)