'Part I. How we arrived at where we are?' (Energy Engineering, 2018), 'Power Market Transformation: Reducing emissions and empowering consumers', Chap. ptI, pp. 1-2, DOI: 10.1049/PBPO124E_ptI
IET Digital Library, https://digital-library.theiet.org/;jsessionid=6jlrtn14qjoc6.x-iet-live-01content/books/10.1049/pbpo124e_pti