1. R.N. Maddox, Gas Conditioning and Processing: Gas and Liquid Sweetening, CPS, fourth ed., 1998.
2. JANAF Thermochemical Tables;Chase,1985
3. D. Clarke et al., in: Laurance Reid Gas Conditioning Conference, Norman, OK, February 25–28, 2001.
4. B.G. Goar, in: Laurance Reid Gas Conditioning Conference, Norman, OK, February 27–March 1, 2000.
5. B.G. Goar, in: Proceedings of the Laurance Reid Gas Conditioning Conference, March 6–8, 1989.