参考文献

Xia, Jie; Alderfer, James L.; Piskorz, Conrad F.; Matta, Khushi L. Chemistry - A European Journal, 2000, vol. 6, # 18 p. 3442 - 3451 doi: 10.1002/1521-3765(20000915)6:18<3442::AID-CHEM3442>3.0.CO;2-V