Orito, Kazuhiko; Horibata, Akiyoshi; Nakamura, Takatoshi; Ushito, Harumi; Nagasaki, Hideo; Yuguchi, Motoki; Yamashita, Satoshi; Tokuda, Masao Journal of the American Chemical Society, 2004 , vol. 126, # 44 p. 14342 - 14343