1. Meehan, F.T., Proc. R. Soc. A, 1927, vol. 115, p. 199.
2. Tvardovskii, A.V., Fomkin, A.A., Tarasevich, Yu.I., et al., Izv. Ross. Akad. Nauk, Ser. Khim., 1992, no. 6, p. 1270.
3. Tvardovskii, A.V., Tarasevich, Yu.I., Zhukova, A.I., et al., Izv. Ross. Akad. Nauk, Ser. Khim., 1992, no. 9, p. 1979.
4. Fomkin, A.A. and Pulin, A.L., Izv. Ross. Akad. Nauk, Ser. Khim., 1999, no. 10, p. 1887.
5. Fomkin, A.A., Regent, N.I., and Sinitsyn, V.A., Izv. Ross. Akad. Nauk, Ser. Khim., 2000, no. 6, p. 1018.