1. Amato, N.M., Bayazit, O.B., Dale, L.K., Jones, C., Vallejo, D.: OBPRM: an obstacle-based PRM for 3D workspaces. In: Workshop on Algorithmic Foundations of Robotics, pp. 155–168 (1998)
2. Bayart, B., Kheddar, A.: Evaluation of an haptic step-guidance algorithm through a teaching 2d/3d path scenario. In: IEEE International Workshop on Haptic, Audio and Visual Environments and Games, 2007. HAVE 2007, pp. 124–129 (2007)
3. Bayazit, O.B., Song, G., Amato, N.M.: Enhancing randomized motion planners: exploring with haptic hints. In: IEEE Int. Conf. on Robotics and Automation (ICRA’2000), pp. 529–536 (2000)
4. Boor, V., Overmars, M.H., van der Stappen, A.F.: The Gaussian sampling strategy for probabilistic roadmap planners. In: IEEE Inter. Conf. on Robotics & Automation (ICRA’99), pp. 1018–1023 (1999)
5. Burdea, G.: Haptics issues in virtual environments. In: Computer Graphics International, pp. 295–302 (2000)