1. Katsurai, T., Sci. Papers Inst. Phys. Chem. Research (Tokyo)12, 161 (1929)
2. Katsurai, T. und T. Watanabe, ibid.13, 89 (1930)
3. Katsurai, T. und T. Watanabe, ibid.14, 189 (1930)
4. Katsurai, T., Bull. Chem. Soc. Japan7, 257 (1932)
5. Katsurai, T., ibid.7, 374 (1932)