Walker, Sean B.; Mukherjee, Ushnik; Fowler, Michael; van Lanen, Daniel; Maroufmashat, Azadeh: 'Power-to-Gas for energy system integration and storage' (Energy Engineering, 2016), 'Methane and Hydrogen for Energy Storage', Chap. 2, pp. 29-52, DOI: 10.1049/PBPO101E_ch2
IET Digital Library, https://digital-library.theiet.org/;jsessionid=1alnf0azqhcgv.x-iet-live-01content/books/10.1049/pbpo101e_ch2