参考文献

Silva, Manuel A. V. Ribeiro Da; Silva, Maria D. M. C. Ribeiro Da; Paiva, Jose P. A.; Nogueira, Isabel M. C. S.; Damas, A. Margarida; et al. Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1993 , # 10 p. 1765 - 1770