@article {Aad:2010fh,
	title = {{Measurement of underlying event characteristics using charged particles in pp collisions at $\sqrt{s} = 900 GeV$ and 7 TeV with the ATLAS detector}},
	journal = {Phys. Rev.},
	volume = {D83},
	year = {2011},
	pages = {112001},
	doi = {10.1103/PhysRevD.83.112001},
	author = {Aad, Georges and others}
}
