1. Simonov, A.M., El’chaninov, M.M., Oleinikova, L.Ya., and Kolbacheva, N.G., Invention Certificate no. 599510, 1977; Bull. Izobret., 1983, no. 23.
2. Grebennikov, V.A., El’chaninov, M.M., Nakhratskii, I.I., Simonov, A.M., and Bokaneva, S.A., Invention Certificate no. 1203861, 1985; Bull. Izobret., 1986, no. 28.
3. El’chaninov, M.M and Aleksandrov, A.A., Russ. J. Gen. Chem., 2016, vol. 86, no. 5, p. 1204. doi 10.1134/S107036321605039X
4. Jacobson, P., Ber., 1886, vol. 19, pp. 1067, 1811.
5. Aleksandrov, A.A., El’chaninov, M.M., and Dedeneva, A.S., Russ. J. Gen. Chem., 2012, vol. 82, no. 7, p. 1263. doi 10.1134/S1070363212070134