@article {azad2016fast,
	title = {Fast breaker failure backup protection for HVDC grids},
	journal = {Electric Power Systems Research},
	volume = {138},
	year = {2016},
	pages = {99{\textendash}105},
	publisher = {Elsevier},
	author = {Azad, Sahar Pirooz and Leterme, Willem and Van Hertem, Dirk}
}
