1. International Energy Agency (IEA). World energy outlook 2016. Tech rep. URL ; 2016.
2. International Energy Agency (IEA). Technology roadmap – hydrogen and fuel cells. Tech rep. URL ; 2015.
3. Hydrogen and fuel cell: technologies and market perspectives,2014
4. International Energy Agency (IEA). CO2 emissions from fuel combustion. Tech rep. URL ; 2016.
5. Prospects of hydrogen as a future energy carrier;Jörissen,2012