@article {Brdar:2017wgy,
	title = {X-Ray Lines from Dark Matter Annihilation at the keV Scale},
	journal = {Phys. Rev. Lett.},
	volume = {120},
	number = {6},
	year = {2018},
	pages = {061301},
	doi = {10.1103/PhysRevLett.120.061301},
	author = {Brdar, Vedran and Kopp, Joachim and Jia Liu and Wang, Xiao-Ping}
}
