1. International energy outlook 2016 with projections to 2040;EIA, US,2016
2. Global energy assessment: toward a sustainable future,2012
3. Hydrogen: the energy source for the 21st century;Johnston;Technovation,2005
4. Tomorrow's energy: hydrogen, fuel cells, and the prospects for a cleaner planet;Hoffmann,2012
5. Industrial hydrogen production and technology;Wawrzinek,2007