1. Internal Rotation in Molecules, Orville-Thomas, W.J., Ed., London: Wiley, 1974.
2. Eliel, E., Pure Appl. Chem., 1971, vol. 25, p. 509. https://doi.org/10.1351/pac197125030509
3. Kuznetsov, V.V., Russ. J. Org. Chem., 2014, vol. 50, p. 1227. https://doi.org/10.1134/S1070428014090012
4. Pihlaja, K., Kivelä, H., Vainiotalo, P., and Steele, W.V., Molecules, 2020, vol. 25, article no. 2762. https://doi.org/10.3390/molecules25122762
5. Rakhmankulov, D.L., Karakhanov, R.A., Zlotskii, S.S., Kantor, E.A., Imashev, U.B., and Syrkin, A.M., Itogi Nauki Tekh., Ser.: Tekhnol. Org. Veshchestv. Moscow: VINITI, 1979, no. 5, p. 6