1. G8, 2009. G8 leaders’ declaration: Responsible leadership for a sustainable future www.g8italia2009.it.
2. IEA, 2009. Technology roadmap–carbon capture and storage, IEA/OECD, Paris, France.
3. NETA, 2009 www.bmreports.com/bsp/bsp_home.htm.
4. Electricity systems with near-zero emissions of CO2 based on wind energy and coal gasification with CCS and hydrogen storage;Davison;International Journal of Greenhouse Gas Control,2009
5. Roads2HyCom, 2009. Large hydrogen underground storage www.ika.rwth-aachen.de.