Fokin, A. V.; Studnev, Yu. N.; Rapkin, A. I.; Tatarinov, A. S.; Seryanov, Yu. V.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1985 , vol. 34, # 7 p. 1495 - 1498
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1985 , # 7 p. 1635 - 1638