1. Varalakshmi, B.D., Thriveni, J., Venugopal, K.R., Patnaik, L.M.: Haptics: state of the art survey. Int. J. Comput. Sci. Issues 9(3), 234–244 (2012)
2. Lin, M.C., Miguel, A.O.: Haptic Rendering: Foundations, Algorithms, and Applications. A K Peters/CRC, Boca Raton (2008)
3. Gao, Z., Gibson, I.: Haptic sculpting of multi-resolution B-spline surfaces with shaped tools. Comput. Aid. Des. 38(6), 661–676 (2006)
4. Wu, J., Wang, D., Wang, C.C.L., Zhang, Y.: Toward stable and realistic haptic interaction for tooth preparation simulation. J. Comput. Inf. Sci. Eng. 10(2), 1–9 (2010)
5. Appleyard, M.N., Mosse, C.A., Mills, T.N., Bell, G.D., Castillo, F.D., Swain, C.P.: The measurement of forces exerted during colonoscopy. Gastrointest. Endosc. 52(2), 237–240 (2000)