Nesterov, L. V.; Chirkova, L. P.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1982 , vol. 31, # 4 p. 849
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1982 , # 4 p. 956

Ewins
Biochemical Journal, 1914 , vol. 8, p. 370