1. Glazov, V.M., Chizhevskaya, S.N., and Glagoleva, N.N., Zhidkie poluprovodniki (Liquid semiconductors), Moscow: Nauka, 1967.
2. Tsyganov, A.S., Proizvodstvo vtorichnykh tsvetnykh metallov i splavov (Production of Secondary Non-ferrous Metals and Alloys), Moscow: Metallurgizdat, 1961.
3. Morachevskii, A.G., Vaisgant, Z.I., Khabachev, M.N., and Mal’tsev, V.I., Zh. Prikl. Khim., 2000, vol. 73, no. 1, pp. 3–7.
4. RF Patent 2219265.
5. Davies, M.H., J. Inst. Metals, 1953, vol. 81, April, pp. 415–416.