Garth Shoemaker, Carl Gutwin. Supporting multi-point interaction in visual workspaces. 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 999-1008, ACM, 2007. [doi]
Abstract is missing.