Suzuki, Itsuko; Tanaka, Ryoko; Yamaguchi, Akinori; Maki, Shin-Ichiro; Misawa, Hiroaki; Tokumaru, Katsumi; Nakagaki, Ryoichi; Sakuragi, Hirochika Bulletin of the Chemical Society of Japan, 1999 , vol. 72, # 1 p. 103 - 113