1. N. N. Zatsepina, N. S. Kolodina, and I. F. Tupitsyn, ?Investigation of electronic interactions in di- and trisubstituted methanes by IR spectroscopy,? Reakts. Sposobn. Org. Soedin., 11, No. 2, 397?413 (1974).
2. I. F. Tupitsyn, N. N. Zatsepina, N. S. Kolodina, and A. I. Belyashova, ?IR spectroscopic investigation of electronic interactions in saturated heterocycles,? Reakts. Sposobn. Org. Soedin., 12, No. 1, 235?243 (1975).
3. I. F. Tupitsyn, N. N. Zatsepina, N. S. Kolodina, and A. A. Kane, ?Electronic interactions and intensities of the bands for the vibrations in the IR spectra of aromatic heterocyclic compounds. I. Stretching vibrations of nitrogen heterocycles and their N-oxides,? Reakts. Sposobn. Org. Soedin., 5, No. 4, 931?941 (1968).
4. I. F. Tupitsyn, N. N. Zatsepina, and N. S. Kolodina, ?Electronic interactions and intensities of the bands for the vibrations in the IR spectra of aromatic heterocyclic compounds. II. Stretching vibrations of aromatic CH bonds in the molecules of sixmembered nitrogen heterocycles and their N-oxides,? Reakts. Sposobn. Org. Soedin., 6, No. 1, 11?23 (1969).
5. I. F. Tupitsyn, N. N. Zatsepina, N. S. Kolodina, and A. V. Kirova, ?Investigation of electronic interactions in compounds of the (CH3)nM and (CH3)n?1MC6H5 type by IR spectroscopy,? Reakts. Sposobn. Org. Soedin., 8, No. 3, 765?785 (1971).