1. A. V. Bulatov, E. N. Izakovich, L. N. Karklin', and M. L. Khidekel', Izv. Akad. Nauk SSSR, Ser. Khim., No. 9, 2032 (1981).
2. USA Patent No. 192236; Chem. Abstr.,63, 8517g (1965).
3. M. A. Leonard and T. S. West, J. Chem. Soc., 4477 (1960).
4. A. V. Bulatov and M. L. Khidekel', Transition Met. Chem.,5, 123 (1980).
5. A. V. Bulatov and M. L. Khidekel', Catalysis and Progress in Chemical Technology, Proceedings of the First Soviet-Indian Seminar on Catalysis, Novosibirsk (1984), p. 56.