1. 2) D. M. HADDRILL, A. J. JENKINS, and R. T. MYLLYMAKI : The Welding of Cast Austenitic Steels, ed. by The welding Inst. (1970) Apendix 2
2. 4) G. J. Cox : Materials Technology in Steam Reforming Processes, ed. by C. EDELEANU (1966), p. 123
3. 6) R. SASAKI, F. HATAYA, Y. FUKUI, T. KASHIMURA : Proc. of the 1977 Tokyo Gas Turbine Congress (1977), p. 511