The Two-User Seating Buck: Enabling Face-to-Face Discussions of Novel Car Interface Concepts. - Holger Salzmann; Bernd Froehlich 001 (VR, 2008)

Collaborative Interaction in Co-Located Two-User Scenarios. - Holger Salzmann; Jan Jacobs; Bernd Froehlich 001 (EGVE/ICAT/EuroVR, 2009)

Virtual vs. Real-World Pointing in Two-User Scenarios. - Holger Salzmann; Mathias Moehring; Bernd Froehlich 001 (VR, 2009)

Collaboration in Co-located Automotive Applications - Holger Salzmann (2010)