User-centred system design: addressing user needs with a mobile information system. - Christoph Herrmann; Jürgen Kawalek; Annegret Stark (Mobile HCI, 2005)

Interaktionsdesign für einen dynamischen Restaurantführer. - Annegret Stark; Christoph Herrmann; Jürgen Kawalek (i-com, 2006)

Field Trial on the Efficiency and User Experience of GPS based State of the Art navigational Systems for Pedestrians. - Marko Modsching; Ronny Kramer; Marcel Riebeck; Annegret Stark; Klaus ten Hagen; Jürgen Kawalek (WPNC, 2007)

Studying the User Acceptance of a Mobile Information System for Tourists in the Field. - Marcel Riebeck; Annegret Stark; Marko Modsching; Jürgen Kawalek (J. Inf. Technol. Tour., 2008)