Acoustic tracking of hand activities on surfaces. - Andreas Braun 001; Stefan Krepp; Arjan Kuijper (iWOAR, 2015)

Game Mastering in Collaborative Serious Games: A Novel Approach for Instructor Support in Multiplayer Serious Games. - Viktor Wendel; Stefan Krepp; Michael Gutjahr; Stefan Göbel 001; Ralf Steinmetz (Int. J. Game Based Learn., 2015)

CapTap: combining capacitive gesture recognition and acoustic touch detection. - Andreas Braun 001; Sebastian Zander-Walz; Stefan Krepp; Silvia Rus; Reiner Wichert; Arjan Kuijper (iWOAR, 2016)