Luk'yanov, O. A.; Shlykova, N. I.; Strelenko, Yu. A.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1989 , vol. 38, # 7.2 p. 1484 - 1487
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1989 , # 7 p. 1619 - 1623