@article {Aad:2015kqa,
	title = {{Search for production of vector-like quark pairs and of four top quarks in the lepton-plus-jets final state in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector}},
	journal = {JHEP},
	volume = {08},
	year = {2015},
	pages = {105},
	doi = {10.1007/JHEP08(2015)105},
	author = {Aad, Georges and others}
}
