参考文献

Boer, Juergen; Gottschling, Dirk; Schuster, Anja; Holzmann, Bernhard; Kessler, Horst Angewandte Chemie - International Edition, 2001, vol. 40, # 20 p. 3870 - 3873 doi: 10.1002/1521-3773(20011015)40:20<3870::AID-ANIE3870>3.0.CO;2-X