Zahid, Taimoor; Xu, Kun; Li, Weimin: 'Machine learning an alternate technique to estimate the state of charge of energy storage devices', Electronics Letters, 2017, 53, (25), p. 1665-1666, DOI: 10.1049/el.2017.2677 IET Digital Library, https://digital-library.theiet.org/;jsessionid=2o05woxmlk9v.x-iet-live-01content/journals/10.1049/el.2017.2677