1. 1. C. Jeffries and L. Keldysh, Electron-Hole Droplets in Semiconductors. North-Holland, Amsterdam, 1983.
2. 2. T. Rice, J. Hensel, T. Phillips, G. Thomas, The Electron-Hole Liquid in Semiconductors. Academic Press, inc., 1977.
3. 3. E.A. Andryushin, Energy of ground state of layered ED-liquid // Fizika tverdogo tela 18(9), p. 2493-2498 (1976), in Russian.
4. 4. V.G. Litovchenko, Fundamentals of Physics of Semiconductor Layered Systems. Kiev, Naukova dumka, 1980 (in Russian).
5. 5. V.G. Litovchenko, D.V. Korbutyak, S.V. Krylyuk, Yu.V. Kryuchenko, Non-equilibrium quantum dimensional effects at the surface of semiconductors and in thin-film layers // Ukrainsk fizychny zhurnal 43(11), p. (1998), in Ukrainian.