参考文献

Yeap, Guan-Yeow; Ha, Sie-Tiong; Boey, Peng-Lim; Mahmood, Wan Ahmad Kamil; Ito, Masato M.; Youhei, Yamashita Molecular Crystals and Liquid Crystals, 2006 , vol. 452, # 1 p. 73 - 90