1. R. D. Ismailov, A. E. Zolotarev, and B. A. Englin, Izv. Akad. Nauk SSSR, Ser. Khim., 810 (1973).
2. M. Asscher and D. Vofsi, J. Chem. Soc., B, 947 (1968).
3. B. A. Englin, R. D. Ismailov, and R. Kh. Freidlina, Izv. Akad. Nauk SSSR, Ser. Khim., 1517 (1972).
4. A. Weisberg, E. Proskauer, D. Riddik, and E. Toops, Organic Solvents [Russian translation], IL (1958).
5. V. I. Suskina, Dissertation [in Russian], Moscow (1971).