参考文献

Juaristi, Eusebio; Hernandez-Rodriguez, Marcos; Lopez-Ruiz, Heraclio; Avina, Judit; Munoz-Muniz, Omar; Hayakawa, Michiya; Seebach, Dieter Helvetica Chimica Acta, 2002 , vol. 85, # 7 p. 1999 - 2008