@article {Aad:2014rta,
	title = {{A measurement of the ratio of the production cross sections for $W$ and $Z$ bosons in association with jets with the ATLAS detector}},
	journal = {Eur. Phys. J. C},
	volume = {74},
	number = {12},
	year = {2014},
	pages = {3168},
	doi = {10.1140/epjc/s10052-014-3168-9},
	author = {Aad, Georges and others}
}
