A tangible AR desktop environment. - Holger Regenbrecht; Gregory Baratoff; Michael T. Wagner (Comput. Graph., 2001)

Interaction in a collaborative augmented reality environment. - Holger Regenbrecht; Michael T. Wagner (CHI Extended Abstracts, 2002)

MagicMeeting: A Collaborative Tangible Augmented Reality System. - Holger Regenbrecht; Michael T. Wagner; Gregory Baratoff (Virtual Real., 2002)

An Augmented Virtuality Approach to 3D Videoconferencing. - Holger Regenbrecht; Claudia Ott; Michael T. Wagner; Tim Lum; Petra Kohler; Wilhelm Wilke; Erich Mueller (ISMAR, 2003)

Using Augmented Virtuality for Remote Collaboration. - Holger Regenbrecht; Tim Lum; Petra Kohler; Claudia Ott; Michael T. Wagner; Wilhelm Wilke; Erich Mueller (Presence Teleoperators Virtual Environ., 2004)

Eye-to-eye contact for life-sized videoconferencing. - Holger Regenbrecht; Lavell Müller; Simon Hoermann; Tobias Langlotz; Michael T. Wagner; Mark Billinghurst (OZCHI, 2014)