@article {Aad:2016sau,
	title = {{Measurements of $Z\gamma$ and $Z\gamma\gamma$ production in $pp$ collisions at $\sqrt{s}=$ 8 TeV with the ATLAS detector}},
	journal = {Phys. Rev. D},
	volume = {93},
	number = {11},
	year = {2016},
	pages = {112002},
	doi = {10.1103/PhysRevD.93.112002},
	author = {Aad, Georges and others}
}
