1. K. Li: 3rd International Conference on Electrical Contact, Arcs, Vol. 2(1997), pp.19-22.
2. B. Milenko, K. Nikolai, K. Myshkin: M. Electrical and Computer Engineering, (2007), pp.211-212.
3. G.J. Witter, I. Polevoy: Proc. of the 17th Int. Conf. on Electrical Contacts, Vol. 563(1994), pp.4-9.
4. Y.G. Chu, W.J. Zhang, J.S. Hu: J. Electrical Materials, Vol. 3(2005), pp.42-48.
5. J.B. Pethica, D.C. Tabor: J. Adhension, Vol. 13(1982), pp.315-317.