Zobaa, Ahmed F.; Ribeiro, Paulo F.; Aleem, Shady H.; Afifi, Sara N. (ed.): 'Energy Storage at Different Voltage Levels: Technology, integration, and market aspects' (Energy Engineering, 2018) DOI: IET Digital Library, https://digital-library.theiet.org/;jsessionid=1cem0ocdob7c4.x-iet-live-01content/books/po/pbpo111e