Sizov; Kovregin; Serdyuk; Vorob'ev; Porosyatnikov; Tsvetkov; Korneev; Ermolov
Russian Chemical Bulletin, 2006 , vol. 55, # 7 p. 1200 - 1208

Bekker, R. A.; Popkova, V. Ya.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1990 , vol. 39, # 8.2 p. 1725 - 1728
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1990 , # 8 p. 1898 - 1901

Harris,J.F.; Stacey,F.W.
Journal of the American Chemical Society, 1963 , vol. 85, p. 749 - 754