1. A. S. Karainskii and Ya. E. Pokrovskii, Recombination emission of the condensed phase of nonequilibrium carriers in silicon, Pisma v Zh. Eksp. Teor. Fiz., 11:381–384 (1970).
2. G. Kirczenow, A shell model of bound multiexciton complexes in silicon, Canad. J. Phys., 55:1787–1801 (1977).
3. P. D. Altukhov, K. N. Eltsov, G. E. Pikus and A. A. Rogachev, The polarization of emission of the bound multiexciton complexes in Si in a magnetic field, Pisma v Zh. Eksp. Teor. Fiz., 26:468–472 (1977).
4. T. M. Rice, The electron-hole liquid in semiconductors; theo-retical aspects, in
: Solid State Physics (H. Ehrenreich, F. Seitz and D. Turnbull, eds.), vol. 32, pp. 1–86, Academic Press, New York (1977).
5. J. C. Hensel, T. G. Phillips and G. A. Thomas, The electron-hole liquid in semiconductors; experimental aspects, in: Solid State Physics (H. Ehrenreich, F. Seitz and D. Turnbull, eds.), vol. 32, pp. 87–314, Academic Press, New York (1977).