1. Siddique, Q. in: Separation of Gases, Proc. 5th Priestley Conference, Roy. Soc. Chem., 1990, 329.
2. IEA Greenhouse Gas R&D Programme: Greenhouse gas emissions from power stations. Cheltenham, UK, 1993.
3. IEA Greenhouse Gas R&D program: Carbon dioxide capture from power stations. Cheltenham, UK, 1993.
4. Freeth, S.: Geochemical Journal 28 (1994) 163.
5. IEA Greenhouse Gas R&D program: Carbon dioxide disposal from power stations. Cheltenham, UK, 1994.