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2. [2] T. Suzuki, J. Jpn. Inst. Energy, 89, 373-376 (2010) (in Japanese).
3. [3] T. Suzuki, H. Matsuzaki, K. Suzuki, Y. Saito, S. Yasui, N. Ozaki, T. Yamada, Chem. Lett., 37, 798-9 (2008).
4. [4] K. Suzuki, T. Suzuki, Y. Saito, H. Kita, K. Sato, T. Konno, Abstracts of the 37th annual meeting of the Carbon Society of Japan, pp. 58-59 (2010).
5. [5] K. Suzuki, T. Suzuki, Y. Saito, H. Kita, K. Sato, T. Konno, Tanso, 239, 169-71 (2009) (in Japanese).6