Martin Spindler, Marcel Martsch, Raimund Dachselt. Going beyond the surface: studying multi-layer interaction above the tabletop. In Joseph A. Konstan, Ed H. Chi, Kristina Höök, editors, CHI Conference on Human Factors in Computing Systems, CHI '12, Austin, TX, USA - May 05 - 10, 2012. pages 1277-1286, ACM, 2012. [doi]
Abstract is missing.