1. *1) 1978 ASME Boiler and Pressure Vessel Code, [ASME]
2. 4) Proc. Intern. Symposium, Predicition of Residual-Life Time of Constructions Operating at High Temperature, The Hague, (1977), [Netherlands Institute of Welding (NIL) ]
3. 7) BSCC: Proc. Symposium, “The Presentation of Creep Strain Data”, (1972), [BSC]
4. 9) BSCC High-Temperature Data, London, (1973), [The Iron and Steel Institute]
5. 10) Ergebnisse deutscher Zeitsandversuche Langer Dauer, (1969), [VDEh]