参考文献

Engstrom, Kenneth M.; Mendoza, Mario R.; Navarro-Villalobos, Mauricio; Gin, David Y. Angewandte Chemie - International Edition, 2001, vol. 40, # 6 p. 1128 - 1130 doi: 10.1002/1521-3773(20010316)40:6<1128::AID-ANIE11280>3.0.CO;2-J