1. TRC Thermodynamic Tables — Hydrocarbons, Thermodynamics Research Center, Texas A&M University System, College Station, TX, (19xx).
2. TRC Thermodynamic Tables-Non-Hydrocarbons, Thermodynamics Research Center, Texas A&M University System, College Station, TX, (19xx)
3. Feitler, S.: Z. Phys. Chem., Stoechiom. Verwandtschaftsl. 4 (1889) 66.
4. Young, S.: J. Chem. Soc. Trans. 55 (1889) 486.
5. Lepingle, M.: Bull. Soc. Chim. France 39 (1926) 741.