参考文献:
Birnbaum, Amira Cotton, F. Albert Dori, Zvi Kapon, Moshe Marler, David Reisner, George M. Journal of the American Chemical Society, 195 , vol. 17, # p. 25 - 21
参考文献:
Baghurst, David R. Mingos, D. Michael P. Journal of the Chemical Society, Dalton Transactions: Inorganic Chemistry (1972-1999), 1992 , # 7 p. 1151 - 1156