参考文献

Pearson, William H.; Lian, Brian W. Angewandte Chemie - International Edition, 1998, vol. 37, # 12 p. 1724 - 1726 doi: 10.1002/(SICI)1521-3773(19980703)37:12<1724::AID-ANIE1724>3.0.CO;2-8