Gong, Yaling; Shimada, Kazuaki; Nakamura, Hidenori; Fujiyama, Masamichi; Kodama, Akihiro; Otsuki, Miyuki; Matsumoto, Rei; Aoyagi, Shigenobu; Takikawa, Yuji Heteroatom Chemistry, 2006, vol. 17, # 2 p. 125 - 135 doi: 10.1002/hc.20190