@article {Aad:2014mha,
	title = {{Search for direct top squark pair production in events with a Z boson, b-jets and missing transverse momentum in sqrt(s)=8 TeV pp collisions with the ATLAS detector}},
	journal = {Eur. Phys. J. C},
	volume = {74},
	number = {6},
	year = {2014},
	pages = {2883},
	doi = {10.1140/epjc/s10052-014-2883-6},
	author = {Aad, Georges and others}
}
