@inproceedings{echtler2010gdl,
  author      = {Echtler, Florian and Klinker, Gudrun and Butz, Andreas},
  title       = "Towards a Unified Gesture Description Language",
  booktitle   = "Proceedings of the 13th International Conference on Humans and Computers (HC 2010)",
  month       = dec,
  year        = 2010,
  keywords    = {gesture recognition, user interface, formal language},
  note = "\url{http://campar.in.tum.de/pub/echtler2010gestures/echtler2010gdl.pdf}"
}