参考文献

Nirogi, Ramakrishna V.S.; Kambhampati, Sastri Rama; Kothmirkar, Prabhakar; Arepalli, Sobhanadri; Pamuleti, Narasimha Reddy G.; Shinde, Anil K.; Dubey Synthetic Communications, 2011 , vol. 41, # 19 p. 2835 - 2851