High temperature corrosion and protection of materials volume 5 : proceedings of the 5th International Symposium on High Temperature Corrosion and Protection of Materials = Actes du 5è Colloque International sur la Corrosion et la Protection des Materiaux à haute Temperature, Les Embiez, France, May-mai 22-26 2000. pp.133-140, 2001. Uetikon-Zuerich, Switzerland. Trans Tech Publications