1. M. Kh. Karapet’yants and M. L. Karapet’yants, Basic Thermodynamic Constants of Inorganic and Organic Substances [in Russian], Khimiya, Moscow (1968), p. 546.
2. M. Kh. Karapet’yants and M. L. Karapet’yants, Tables of Some Thermodynamic Properties of Different Substances [in Russian], Khim. Tekhnol. Inst., Moscow (1961), Issue 34, p. 166.
3. V. P. Glushko (ed.), Thermal Constants of Substances [in Russian], VINITI, Moscow (1972), Issue 7, P. 1, p. 370.
4. V. P. Glushko (ed.), Thermal Constants of Substances [in Russian], VINITI, Moscow (1974), Issue 6, P. 1, p. 344.
5. B. A. Kolachev, R. E. Shalin, and A. A. Il’in, Hydrogen-Accumulating Alloys: Handbook [in Russian], Metallurgiya, Moscow (1995), p. 384.