Blinova, N. V.; Kuz'mina, N. A.; Chukovskaya, E. Ts.; Vakhtagishvili, L. V.; Rusanov, A. L.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1988 , vol. 37, p. 1609 - 1612
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1988 , # 8 p. 1803 - 1806