参考文献

Villamizar, Jose E.; Gamez, Carlos; Alcala, Antonio; Salazar, Franklin; Tropper, Eleonora; Angarita, Ana; Canudas, Nieves Synthetic Communications, 2011, vol. 41, # 12 p. 1733 - 1741 doi: 10.1080/00397911.2010.492078