@article {Aad:2011xn,
	title = {{A measurement of the ratio of the $W$ and $Z$ cross sections with exactly one associated jet in $pp$ collisions at $\sqrt{s}=$7 TeV with ATLAS}},
	journal = {Phys. Lett. B},
	volume = {708},
	year = {2012},
	pages = {221{\textendash}240},
	doi = {10.1016/j.physletb.2012.01.042},
	author = {Aad, Georges and others}
}
