1. Holubar, P., Jilek, M., and Sima, M., Surf. Coat. Technol, 1999, vol. 120–121, p. 184.
2. Muller, K.B., J. Mater. Proces. Technol, 2002, vol. 130–131, p. 432.
3. Mitterer, C., Holler, F., Reitberger, D., et al., Surface Coat. Technol, 2003, vol. 163–164, p. 716.
4. Kiryukhantsev-Korneev, F.V., Shtansky, D.V., Sheveiko, A.N., et al., Fiz. Met. Metalloved., 2004, vol. 97, no. 3, p. 96.
5. Shtansky, D.V., Kiryukhantsev-Korneev, F.V., Sheveiko, A.N., et al., Fiz. Tverd. Tela, 2005, vol. 47, no. 2, p. 242 [Phys. Sol. St. (Engl. Transl.), vol. 47, no. 2, p. 252].