参考文献:
Howell, James A. S. Fey, Natalie Lovatt, Jonathan D. Yates, Paul C. McArdle, Patrick Cunningham, Desmond Sadeh, Einat Gottlieb, Hugo E. Goldschmidt, Zeev Hursthouse, Michael B. Light, Mark E. Journal of the Chemical Society - Dalton Transactions, 1999 , # 17 p. 315 - 3