1. S. Wolfe, Acc. Chem. Res. 5(3), 102 (1972).
2. V. V. Turovtsev, M. Yu. Orlov, R. V. Turovtsev, and Yu. D. Orlov, Russ. J. Phys. Chem. A 86, 1549 (2012).
3. I. N. Godnev, Calculation of Thermodynamical Functions from Molecular Data (Gostekhteorizdat, Moscow, 1956; U.S. Atomic Energy Commission, Technical Information Service, 1956).
4. Internal Rotation in Molecules, Ed. by W. J. Orwill-Thomas (Wiley, London, 1974; Mir, Moscow, 1975).
5. S.-I. Mizushima, Structure of Molecules and Internal Rotation (Academic, New York, 1954).