Liu, Wen-Chi; Oikawa, Masato; Fukase, Koichi; Suda, Yasuo; Winarno, Hendig; Mori, Saeko; Hashimoto, Masahito; Kusumoto, Shoichi Bulletin of the Chemical Society of Japan, 1997, vol. 70, # 6 p. 1441 - 1450 doi: 10.1246/bcsj.70.1441