1. Aubert et Duval ERAMET Group, Research and Development Dept., BP1 63770 Les Ancizes-Comps, FR
2. NTN-SNR Roulements, Technology and Innovation Dept., Materials Laboratory E2M, 1 Rue des Usines 74000 Annecy, FR
3. Erasteel Kloster AB, ERAMET Group—Products and Applications, Brukplan 1, SE-815 82 Söderfors, SE