1. Il’in, E.G., Parshakov, A.S., Yarzhemskii, V.G., et al., Dokl. Chem., 2015, vol. 465, part 1, pp. 272–277.
2. Il’in, E.G., Parshakov, A.S., Danilov, V.V., et al., Dokl. Chem., 2016, vol. 471, part 1, pp. 314–320.
3. Il’in, E.G., Parshakov, A.S., Privalov, V.I., et al., Dokl. Chem., 2016, vol. 467, part 2, pp. 122–125.
4. Il’in, E.G., Parshakov, A.S., Aleksandrov, G.G., et al., Dokl. Chem., 2016, T. 470, part 1, pp. 255–259.
5. Ignatov, M.E., Il’in, E.G., Yagodin, V.G., and Buslaev, Yu.A., Dokl. Akad. Nauk SSSR, 1978, vol. 243, no. 7, pp. 1179–1181.