1. S. V. Tsukerman, L. A. Kutulya, and V. F. Lavrushin, ZhOKh,34, 3597, 1964.
2. Yu. K. Yur'ev, N. N. Mezentsova, and V. E. Vas'kovskii, ZhOKh,27, 3155, 1957.
3. S. V. Tsukerman, V. D. Orlov, V. F. Lavrushin, and Yu. K. Yur'ev,1, 650, 1965.
4. S. V. Tsukerman, V. D. Orlov, V. M. Nikitchenko, Yu. S. Rozum, V. F. Lavrushin, and Yu. K. Yur'ev, Teoret. i eksp. khim. [Theoretical and Experimental Chemistry]2, 399, 1966.
5. L. J. Bellamy, Infrared Spectra of Complex Organic Molecules [Russian translation], IL, Moscow, 212, 1963.