Heslop, Simon; MacGill, Iain; Fletcher, John: 'Practical distributed voltage control method for efficient and equitable intervention of distributed devices', IET Smart Grid, 2019, 2, (3), p. 399-406, DOI: 10.1049/iet-stg.2018.0197 IET Digital Library, https://digital-library.theiet.org/;jsessionid=u1jbqgccbifl.x-iet-live-01content/journals/10.1049/iet-stg.2018.0197