1. Cherkasov, R.A. and Galkin, V.I., Usp. Khim., 1998, vol. 67, no. 10, p. 940.
2. Nifant’ev, E.E., Metlitskikh, S.V., Koroteev, M.P., Stash, A.N., and Bel’skii, V.K., Zh. Obshch. Khim., 2006, vol. 76, no. 6, p. 1050.
3. Kafarski, P. and Lejczark, Phosphorus, Sulfur, Silicon Relat. Elem., 1991, vol. 63, nos. 1–4, p. 193.
4. Bognar, R., Usp. Khim., 1952, vol. 21, no. 6, p. 734.
5. Kochetkov, N.K., Bochkov, A.F., Dmitriev, B.A., Usov, A.I., Chizhov, O.S., and Shibaev, V.N., Khimiya uglevodov (Chemistry of Carbohydrates), Moscow: Khimiya, 1967.