@article {Liu:2019ayx,
	title = {Seeking for sterile neutrinos with displaced leptons at the LHC},
	journal = {JHEP},
	volume = {07},
	year = {2019},
	pages = {159},
	doi = {10.1007/JHEP07(2019)159},
	author = {Jia Liu and Liu, Zhen and Wang, Lian-Tao and Wang, Xiao-Ping}
}
