Mikhailov, B. M.; Kozminskaya, T. K.; Bezmenov, A. Ya., Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, 1965, vol. 1965, p. 332 - 334
Mikhailov, B. M.; Kozminskaya, T. K.; Bezmenov, A. Ya., Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, 1965, vol. 1965, p. 332 - 334