1. F. E. Stary, D. E. Emge, R. W. Murray: J. Am. Chem. Soc.,98, 1880 (1976).
2. F. Kovac, B. Plasnicar: J. Am. Chem. Soc.,101, 2677 (1979).
3. V. V. Shereshovets, G. L. Sharipov, N. N. Kabalnikova, V. P. Kazakov, V. D. Komissarov, G. A. Tolstikov: Zh. Org. Khim.,22, 2549 (1986).
4. V. V. Shereshovets, F. A. Galieva, V. D. Komissarov: Izv. Akad. Nauk SSSR, Ser. Khim., 304 (1987).
5. A. Vaisberger, E. Proskauer, J. Riddik, E. Tups: Organic Solvents, Inostrannaya Literatura, Moscow 1958.