1. 2) Th. Heumann & F. W. Diekotter: Ber. Bunsengas. phys. Chem., 67, 671 (1968).
2. 3) M. Seo, R. Saito & N. Sato: J. Electrochem. Soc., 127, 1909 (1980).
3. 4) N. Sato: “Passivity of Metals”, R. P. Frankenthal & J. Kruger (Eds.): The Electrochemical Soc., Inc., Princeton, 29 (1978).
4. 6) N. Hara & K. Sugimoto: “Passivity of Metals and Semiconductor”, M. Fromrnt (Ed.), Publ., Elsevier Sci., Amsterdam, 211 (1983).
5. 7) M. Okubo, M. Shintani, H. Ishimaru, K. Tokunaga, M. Nagayama & A. Itoh: SFEN-RECOD 8710045/JG/da, Demonstration Tests on Corrosion Resistance of Equipments for Spent Juel Reprocessing Progress. 1181 (1987).