CamBall: augmented networked table tennis played with real rackets. - Charles Woodward; Petri Honkamaa; Jani Jäppinen; Esa-Pekka Pyökkimies (Advances in Computer Entertainment Technology, 2004)

A lightweight approach for augmented reality on camera phones using 2D images to simulate 3D. - Petri Honkamaa; Jani Jäppinen; Charles Woodward (MUM, 2007)