Emerging frameworks for tangible user interfaces
IBM Systems Journal
H Ishii
Exploring Material Representations of Physical Activity
The Role of Physical Controllers in Motion Video Gaming
The Spinning Screen: A Movable Experience Between Virtual and Real
Ubii: Towards Seamless Interaction Between Digital and Physical Worlds
Providing Both Physical and Perceived Affordances Using Physical Games Pieces on Touch Based Tablets
But how, Donald, tell us how?