F. Echtler and G. Klinker, A multitouch software architecture, Proceedings of the 5th Nordic conference on Human-computer interaction building bridges, NordiCHI '08, pp.463-466, 2008.
DOI : 10.1145/1463160.1463220

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.148.9519

T. E. Hansen, J. P. Hourcade, M. Virbel, S. Patali, and T. Serra, PyMT, Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces, ITS '09, pp.17-24, 2009.
DOI : 10.1145/1731903.1731907

M. Kaltenbrunner, T. Bovermann, R. Bencina, and E. Costanza, TUIO -A Protocol for Table-Top Tangible User Interfaces, GW 2005, 2005.

U. Laufs, C. Ruff, and J. Zibuschka, MT4j ? A Cross-platform Multi-touch Development Framework, 2010.

C. Shen, F. D. Vernier, C. Forlines, and M. Ringel, DiamondSpin, Proceedings of the 2004 conference on Human factors in computing systems , CHI '04, 2004.
DOI : 10.1145/985692.985714