1. Yu. G. Kryazhev, V. S. Solodovnichenko, N. V. Antonicheva, T. I. Gulyaeva, V. A. Drozdov, V. A. Likholobov, Protection of Metals and Physical Chemistry of Surfaces, 2009, 4, 398 [Fizikokhim. Poverkhnosti i Zashchita Materialov, 2009, 4, 366].
2. Yu. G. Kryazhev, V. S. Solodovnichenko, I. V. Anikeeva, Izv. vuzov. Khim. and Khim. Tekhnol., 2013, 7, 90 [Izv. Vuz. Khim. Tekhnol. (in Russian), 2013, 7].
3. A. A. Berlin, M. A. Geiderikh, Khimiya polisopryazhennyh sistem [Chemistry of Polyconjugated Systems], Khimiya, Moscow, 1972, 271 pp. (in Russian).
4. V. V. Voevodskii, V. I. Vedeneev, Zh. Fiz. Khim., 1956, 4, 789 [Russ. J. Phys. Chem. (Engl. Transl.), 1956, 4].
5. E. Pretsch, P. Bullmann, C. Affolter, Structure determination of organic compounds, Springer, 2004, 491.