1. Dyadyusha, G. G. and Kachkovskii, A. D. (1975) Wavelength of first electronic transitions of symmetric cyanine dyes, Ukr. Khim. Zh. 41, 1176–1181 [Soy. Progr. Chem. 41 (11), 52–57];
2. Dyadyusha, G. G. and Kachkovskii, A. D. (1978) Basicity of heterocyclic nuclei and coefficients of molecular orbitals of symmetric cyanine dyes,Ukr. Khim. Zh. 44, 948–953 [Soy. Progr. Chem. 44(9), 50–55];
3. Dyadyusha, G. G. and Ushomirskii, M. N. (1985) Effective additive parameters of fragments of two-nucleus polymethine dyes, Teor. Eksp. Khim. 21, 268–279 [Theor. Exp. Chem. 21, 257–268];
4. Dyadyusha, G. G., Komilov, M. Yu., and Dekhtyar, M. L. (1988) On the application of the inverse adjacency matrix in HMO method, J. Inf. Recording Materials 16, 275–283;
5. Kachkovskii, A. D. (1989) Constitution and Colour ofPolymethine Dyes, Naukova Dumka, Kiev.