@article {azad2015decentralized,
	title = {Decentralized supplementary control of multiple LCC-HVDC links},
	journal = {IEEE Transactions on Power Systems},
	volume = {31},
	number = {1},
	year = {2015},
	pages = {572{\textendash}580},
	publisher = {IEEE},
	author = {Azad, Sahar Pirooz and Taylor, Joshua Adam and Iravani, Reza}
}