1. Proc. Int. Conf. on High Nitrogen Steels;Hannula,1989
2. Proc. 8th Int. Conf. on Thin Films;Bourjot,1990
3. Proc. 8th Int. Conf. on Thin Films;Billard,1990
4. Proc. 1st Int. Conf. on Plasma Surface Engineering;Bourjot,1989
5. Diffusion;Beshers,1973