Karpov, V.M.; Mezhenkova, T.V.; Platonov, V.E.; Shchegoleva, L.N.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1991 , vol. 40, # 11 p. 2292 - 2296
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1991 , # 11 p. 2618 - 2622