1. K. Natesan,Corrosion 41, 646 (1985).
2. M. Van De Voorde,J. Mat. Sci. Eng. 88, 341 (1987).
3. W. T. Bakker, R. A. Perkins, and J. Van Liere,Materials Performance 24, 9 (1985).
4. R. W. Staehler, ed.,Proceedings of the Workshop on Materials Problems and Research Opportunities in Coal Conversion (National Science Foundation, 1974).
5. F. H. Stott, F. M. F. Chong, and C. A. Sterling,Mat. Sci. Forum 43, 327 (1989).