Shtyrlina, A. A.; Yarmukhametova, D. Kh.; Enikeev, K. M.; Ismaev, I. E.; Nuretdinov, I. A.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1983 , vol. 32, # 10 p. 2127 - 2130
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1983 , # 10 p. 2361 - 2369