1. Bock M. Fisker M. Topp K. F. and Kraus M. Initial exploration of the use of specific tangible widgets for tablet games. Social Informatics Springer International Publishing (2014) 183--190. Bock M. Fisker M. Topp K. F. and Kraus M. Initial exploration of the use of specific tangible widgets for tablet games. Social Informatics Springer International Publishing (2014) 183--190.
2. Hauke Schaper. 2013. Physical Widgets on Capacitive Touch Displays Master's Thesis. RWTH Aachen University 1--11. Hauke Schaper. 2013. Physical Widgets on Capacitive Touch Displays Master's Thesis. RWTH Aachen University 1--11.