Tumanskii, B. L.; Bubnov, N. N.; Polishchuk, V. R.; Solodovnikov, S. P.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1981 , vol. 30, # 10 p. 1821 - 1826
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1981 , # 10 p. 2222 - 2227