1. Dufour J, Martos C, Ruiz A (2012) Water gas shift reaction, Nova Science Publishers
2. Villante C, Genovese A (2012) Hydromethane: A bridge towards the hydrogen economy or un unsustainable promise? Int J Hydrogen Energy 37:11541–11548
3. Tirler W, Voto G, Donegà M, Mair K, Gallmetzer M, Klauser T, Huber W, De Sangro G, Capoccia M, Rampelotto F, Fazzari G, Grimolizzi L (2012) The use of methane-hydrogen mixtures in buses. In: 16th ETH-Conference on combustion generated nanoparticles
4. Skarstrom CW (1958) Patent 2,944,627, Feb 1958
5. De Falco M, Caputo G, Frattari S, Gironi F, Annesini M (2014) Solar steam reforming for enriched methane production: reactor configuration modeling and comparison. Int J Hydrogen Energy 39:13979–13990