An Adaptable Rear-Projection Screen Using Digital Pens And Hand Gestures. - Peter Brandl; Michael Haller; Michael Hurnaus; Verena Lugmayr; Juergen Oberngruber; Claudia Oster; Christian Schafleitner; Mark Billinghurst (ICAT, 2007)

Bridging the gap between real printouts and digital whiteboard. - Peter Brandl; Michael Haller; Juergen Oberngruber; Christian Schafleitner (AVI, 2008)