1. S. Mareels and E. Wettinck,Proc. 12th Int. Congr. Metal Finishing (Interfinish '88), Paris, France, 1988, p. 1093.
2. S. Mareels and E. Wettinck, Härt.-Tech. Mitt. 40 (1985) 73; 168.
3. M. Carbucicchio, L. Bardani and G. Palombarini, J. Mater. Sci. 15 (1980) 711.
4. M. Carbucicchio, G. Meazza and G. Sambogna, in:Heat Treatment Shanghai '83, Book 310 (The Metals Society, London, 1984) p. 3.50.
5. G. Palombarini and M. Carbucicchio, J. Mater. Sci. Lett. 6 (1987) 415.