Yamashita, Masahiko; Naora (nee Namikawa), Misuzu; Murae, Tatsushi; Tsuyuki, Takahiko; Takahashi, Takeyoshi Bulletin of the Chemical Society of Japan, 1987, vol. 60, # 4 p. 1383 - 1390 doi: 10.1246/bcsj.60.1383