Casual mobile gameplay - On integrated practices of research, design and play. - Nassrin Hajinejad; Iaroslav Sheptykin; Barbara Grüter; Annika Worpenberg; Andreas Lochwitz; David Oswald; Heide-Rose Vatterrott (DiGRA Conference, 2011)

Navigation Experiences - A Case Study of Riders Accessing an Orientation Game via Smartphones. - Annika Worpenberg; Barbara Grüter (HCI (2), 2013)