Tzelepis, Dimitrios; Dyśko, Adam; Blair, Steven M.; Rousis, Anastasios Oulis; Mirsaeidi, Sohrab; Booth, Campbell; Dong, Xinzhou: 'Centralised busbar differential and wavelet-based line protection system for multi-terminal direct current grids, with practical IEC-61869-compliant measurements', IET Generation, Transmission & Distribution, 2018, 12, (14), p. 3578-3586, DOI: 10.1049/iet-gtd.2017.1491
IET Digital Library, https://digital-library.theiet.org/;jsessionid=opt7i7m2p65.x-iet-live-01content/journals/10.1049/iet-gtd.2017.1491