'Front Matter' (Energy Engineering, 2018), 'Bifacial Photovoltaics: Technology, applications and economics', Chap. fm, pp. -, DOI: 10.1049/PBPO107E_fm
IET Digital Library, https://digital-library.theiet.org/;jsessionid=xl4fwq1o1x4e.x-iet-live-01content/books/10.1049/pbpo107e_fm