1. H.F. Liao, L.X. Zhang, Y.T. Xiao and L. Zeng: Mechanical Science and Technology, Vol. 23 (2004) No. 2, pp.242-244.
2. J.H. Liu, J. Yao and R.X. Ning: Chinese Journal of Mechanical Engineering, Vol. 40 (2004) No. 6, pp.138-143.
3. O. Ciszak: Advances in Engineering Software, Vol. 48 (2012), pp.17-26.
4. Y.T. Hou and L.X. Zhang: Machinery Design and Manufacture, Vol. (2004) No. 2, pp.139-141.
5. H. Bley, C. Franke and C. Zenner: CIRP Journal of Manufacturing System, Vol. 34 (2005) No. 1, pp.1-8.