1. International Energy Agency, Tracking Clean Energy Progress- Energy Technology Perspectives 2012 excerpt as IEA input to the Clean Energy Ministerial. IEA Publications, April 2012.
2. Clodic, D, Younes, M, Bill A. Test results of CO2 capture by anti-sublimation Capture efficiency and energy consumption for Boiler plants. Seventh International Conference on Greenhouse Gas control Technologies GHGT7, Vancouver, Canada, 6–9 September 2004.
3. Younes M, Clodic D, El Hitti R., Bill A. Comparison of energy penalties of CO2 capture by anti-sublimation depending on the CO2 concentration. Second International Conference on Clean Coal Technologies for our Future, Cagliari (Sardinia) Italy, 9-12 May 2005.
4. R.J. van Benthum, H.P. van kemenade, J.J.H. Brouwers, M. Golombok. CO2 capture by Condensed Rotational Separation. Proc. Int. Pittsburgh Coal conference, Istanbul, October 11 14, 2010.
5. Baxter L, Baxter A. Burt S. Cryogenic CO2 Capture as a Cost-Effective CO2 Capture Process. 2009 International Pittsburgh Coal Conference.