參考文獻:
Boehner, Christine M. Frye, Elizabeth C. O'Connell, Kieron M. G. Galloway, Warren R. J. D. Sore, Hannah F. Dominguez, Patricia Garcia Norton, David Hulcoop, David G. Owen, Martin Turner, Gillian Crawford, Claire Horsley, Helen Spring, David R. Chemistry - A European Journal, 2011 , vol. 17, # 47 p. 13230 - 13239