Tamamura, Hirokazu; Yamashita, Masaki; Nakajima, Yutaka; Sakano, Kyoko; Otaka, Akira; Ohno, Hiroaki; Ibuka, Toshiro; Fujii, Nobutaka Journal of the Chemical Society - Perkin Transactions 1, 1999 , # 20 p. 2983 - 2996