@article {Aad:2019ock,
	title = {{Observation of light-by-light scattering in ultraperipheral Pb+Pb collisions with the ATLAS detector}},
	journal = {Phys. Rev. Lett.},
	volume = {123},
	number = {5},
	year = {2019},
	pages = {052001},
	doi = {10.1103/PhysRevLett.123.052001},
	author = {Aad, Georges and others}
}
