参考文献

Yelamaggad, Channabasaveshwar V.; Achalkumar, Ammathnadu S.; Rao, D. S. Shankar; Nobusawa, Mitsunori; Akutsu, Hiroki; Yamada, Jun-Ichi; Nakatsuji, Shin'Ichi Journal of Materials Chemistry, 2008 , vol. 18, # 29 p. 3433 - 3437