1. Martín, J., Savall, J.: Mechanisms for haptic torque feedback. In: Proc. Joint Eurohaptics Conf. and Symp. Haptic Interfaces for Virtual Environment and Teleoperator Systems, pp. 611–614 (2005)
2. Novint Falcon,
http://home.novint.com/products/novint_falcon.php
3. The Univerisity of Utah Telerobotics Lab,
http://www.telerobotics.utah.edu
4. CHAI 3D: The open source haptics project,
http://www.chai3d.org/
5. Stamper, R.E.: A Three Degree of Freedom Parallel Manipulator with Only Translational Degrees of Freedom. PhD thesis, Department of Mechanical Engineering, The University of Maryland (1997)