参考文献

Khan, Md. Umar; Baseer; Kumar, S. Ranjith; Saravanakumar; Prasannanjali; Gupta, P. Badarinadh; Kaushik, Vipin K.; Handa, Vijay K.; Islam, Aminul Synthetic Communications, 2010 , vol. 40, # 15 p. 2241 - 2253