参考文献

Pandya, Vrajesh B.; Jain, Mukul R.; Chaugule, Balaji V.; Patel, Jigar S.; Parmar, Bhavesh M.; Joshi, Jignesh K.; Patel, Pankaj R. Synthetic Communications, 2012 , vol. 42, # 4 p. 497 - 505