@inproceedings{echtler2010ledtouch, author = {Echtler, F. and Pototschnig, T. and Klinker, G.}, title = "{An LED-based Multitouch Sensor for LCD Screens}", booktitle = {TEI '10: Proceedings of the conference on tangible and embedded interaction}, month = jan, year = 2010, keywords = {multi-touch, infrared, sensing, LED, flatscreen} }