1. D. L. Rakhmankulov, R.A. Karakhanov, Zlotskii, et al., Itogi Nauki i Tekhniki. Tekhnologiya Organicheskikh Veshchestv, VINITI, Moscow (1979), 5, 6.
2. W. J. Orwill-Thomas (ed.), in: Internal Rotation in Molecules, Wiley, London (1974).
3. V. V. Kuznetsov, Khim. Geterotsikl. Soedin., 643 (2006).
4. V. V. Kuznetsov, Izv. Akad. Nauk, Ser. Khim., 1499 (2005).
5. A. Kh. Mamleev, L. N. Gunderova, R. V. Galeev, et al., J. Struct. Chem., 47, No. 2, 367 (2006).