Accessible real-world tagging through audio-tactile location markers. - Martin Tomitsch; Richard Schlögl; Thomas Grechenig; Christoph Wimmer; Thomas Költringer (NordiCHI, 2008)

Hyper Typer: A Serious Game for Measuring Mobile Text Entry Performance in the Wild. - Richard Schlögl; Christoph Wimmer; Thomas Grechenig (CHI Extended Abstracts, 2019)

Measuring mobile text entry performance and behaviour in the wild with a serious game. - Christoph Wimmer; Richard Schlögl; Karin Kappel; Thomas Grechenig (MUM, 2019)