Filipenko, O. S.; Atovmyan, E. G.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1984 , vol. 33, p. 1646 - 1649
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1984 , # 8 p. 1799 - 1802