@inproceedings{TUIO,
    author = {Kaltenbrunner, Martin and Bovermann, Till and Bencina, Ross and
              Costanza, Enrico},
    title = {TUIO - A Protocol for Table Based Tangible User Interfaces},
    booktitle = {Proceedings of the 6th International Workshop on Gesture in
                 Human-Computer Interaction and Simulation (GW 2005)},
    year = {2005},
    address = {Vannes, France},
}

@misc{TUIO_specification,
    author = {Kaltenbrunner, Martin and Bovermann, Till and Bencina, Ross and
              Costanza, Enrico},
    title = {TUIO specification},
    howpublished = {\url{http://tuio.org/?specification}}
}

@book{VTK,
  author = {Will Schroeder and Ken Martin},
  title = {The Visualization Toolkit: An Object-Oriented Approach to 3-D Graphics (2nd Edition)},
  publisher = {Prentice Hall},
  year = {1997},
  isbn = {0139546944},
  url = {http://www.amazon.com/The-Visualization-Toolkit-Object-Oriented-Approach/dp/0139546944%3FSubscriptionId%3D0JYN1NVW651KCA56C102%26tag%3Dtechkie-20%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3D0139546944}
}

@misc{win7touch,
    author = {Manoj Kumar},
    title = {Gesture Recognition for Touch Devices (Touch Gestures)},
    year = {2010},
    howpublished = {\url{http://www.codeproject.com/Articles/56385/Gesture-Recognition-for-Touch-Devices-Touch-Gestur}},
}