James Patten, Hiroshi Ishii. Mechanical constraints as computational constraints in tabletop tangible interfaces. In Mary Beth Rosson, David J. Gilmore, editors, Proceedings of the 2007 Conference on Human Factors in Computing Systems, CHI 2007, San Jose, California, USA, April 28 - May 3, 2007. pages 809-818, ACM, 2007. [doi]
Abstract is missing.