From digital to physical: learning physical computing on interactive surfaces. - Bettina Conradi; Martin Hommer; Robert Kowalski (ITS, 2010)

Flow of electrons: an augmented workspace for learning physical computing experientially. - Bettina Conradi; Verena Lerch; Martin Hommer; Robert Kowalski; Ioanna Vletsou; Heinrich Hussmann (ITS, 2011)