1. V. E. Kuzmichev, Laws and Formulas of Physics [in Russian], Naukova Dumka, Kyiv (1989).
2. I. V. Savel’ev, Electricity, Vol. 2 of the three-volume series Course of General Physics [in Russian], Nauka, Moscow (1970).
3. J. W. Tucker and V. W. Rampton, Microwave Ultrasonic in Solid State Physics, North-Holland, Amsterdam (1972).
4. M. O. Shul’ga, “Maxwell’s equations for electromagnetic fields in the international (SI) and Gaussian (SG) systems of units,” in: Proc. 11th Int. Sci. Conf. named after academician M. Kravchuk (May 18–20, 2006, Kyiv, Ukraine) [in Ukrainian], NTUU “KP²,” Kyiv (2006), p. 299.
5. M. O. Shul’ga, “Equations of electromagnetism in phenomenological electromagnetoelastic models,” in: Proc. 4th Int. Sci. Conf. on Important Problems of Solid Mechanics (June 12–14, 2006, Donetsk–Melekino, Ukraine) [in Russian], DonNU, Donetsk (2006), pp. 157–159.