1. T. Fujita, in: Advances in Material Technology for Fossil Power Plants R. Viswanathan, W.T. Bakker, J.D. Parker (Eds.), The Institute of Materials, London (2001) 33.
2. P.N. Ernst, in: Moderne Stähle, Ergebnisse der Werkstoff-Forschung Band 1, P.J. Uggowitzer (Ed.), Verlag der Schweizerischen Akademie der Werkstoffwissenschaften, Zürich (1987) 67.
3. Improved boron-containing 9 to 12% chromium steel with high creep rupture strength
4. P.N. Ernst, P.J. Uggowitzer, M.O. Speidel, in: High Temperature Alloys for Gas Turbine Applications (Proceedings of the 1986 Liège Conference), W. Betz et al. (Eds.), D. Reidel Publishing Company, Dordrecht (1986) 1357.
5. K. Spiradek-Hahn, P. Nowakowski, G. Zeiler, in: Advances in Material Technology for Fossil Power Plants, R. Viswanathan, W.T. Bakker, J.D. Parker (Eds.), The Institute of Materials, London (2001) 165.