Thomas Pietrzak, Andrew Crossan, Stephen A. Brewster, Benoît Martin, Isabelle Pecci. Exploring Geometric Shapes with Touch. In Tom Gross, Jan Gulliksen, Paula Kotzé, Lars Oestreicher, Philippe A. Palanque, Raquel Oliveira Prates, Marco Winckler, editors, Human-Computer Interaction - INTERACT 2009, 12th IFIP TC 13 International Conference, Uppsala, Sweden, August 24-28, 2009, Proceedings, Part I. Volume 5726 of Lecture Notes in Computer Science, pages 145-148, Springer, 2009. [doi]