1. Vorobyev, P.B., Mikhailovskaya, T.P., Serebryanskaya, A.P., and Yugai, O.K., Okislitel’nyi ammonoliz metilaromaticheskikh soedinenii (Oxidative Ammonolysis of Methyl Aromatic Compounds), Almaty: IP Bekitaeva, 2017.
2. Vorobyev, P.B., Gabdrakipov, V.Z., Mikhailovskaya, T.P., and Sembaev, D.K., Russ. J. Gen. Chem., 2001, vol. 71, no. 4, p. 605. https://doi.org/10.1023/A:1012395504813
3. Vorobyev, P.B. and Sembaev, D.K., Russ. J. Gen. Chem., 2005, vol. 75, no. 1, p. 147. https://doi.org/10.1007/s11176-005-0186-1
4. Clarck, T., A Handbook of Computational Chemistry, Wiley, 1985.
5. Koch, W. and Holthausen, M.C., A Chemist’s Guide to Density Functional Theory, Weinheim: Wiley-VCH, 2001, p. 293.