参考文献

Vega-Penaloza, Alberto; Sanchez-Antonio, Omar; Escudero-Casao, Margarita; Tasnadi, Gabor; Fueloep, Ferenc; Juaristi, Eusebio Synthesis (Germany), 2013 , vol. 45, # 17 art. no. SS-2013-M0321-OP, p. 2458 - 2468