Mukherjee, Ushnik; Walker, Sean B.; Maroufmashat, Azadeh; Fowler, Michael: 'Power-to-gas and power-to-power for storage and ancillary services in urban areas' (Energy Engineering, 2018), 'Wind and Solar Based Energy Systems for Communities', Chap. 11, pp. 247-264, DOI: 10.1049/PBPO130E_ch11 IET Digital Library, https://digital-library.theiet.org/;jsessionid=6bpdg194meqok.x-iet-live-01content/books/10.1049/pbpo130e_ch11