Chuikov, I. P.; Karpov, V. M.; Platonov, V. E.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1990 , vol. 39, # 4.1 p. 746 - 753
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1990 , # 4 p. 837 - 845