@ARTICLE{
author={Chatrchyan S,...,Adzic Petar R,Djordjevic Milos P,Krpic Dragomir K,Milosevic Jovan Z,...,Milenovic Predrag,...,(broj koautora 2181)},
year={2013},
title={Search for long-lived particles in events with photons and missing energy in proton-proton collisions at root s=7 TeV},
journal={PHYSICS LETTERS B},
volume={722},
number={4-5},
pages={273-294},
document_type={Article},
} 

@ARTICLE{
author={Chatrchyan S,...,Adzic Petar R,Djordjevic Milos P,Ekmedzic Marko,Krpic Dragomir K,Milosevic Jovan Z,...,Milenovic Predrag,...,(broj koautora 2181)},
year={2013},
title={Measurement of the Upsilon(1S), Upsilon(2S), and Upsilon(3S) Polarizations in pp Collisions at root s 7 TeV},
journal={PHYSICAL REVIEW LETTERS},
volume={110},
number={8},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Chatrchyan S,...,Adzic Petar R,Djordjevic Milos P,Krpic Dragomir K,Milosevic Jovan Z,...,Milenovic Predrag,...,(broj koautora 2181)},
year={2011},
title={Charged particle transverse momentum spectra in pp collisions at root s=0.9 and 7 TeV},
journal={JOURNAL OF HIGH ENERGY PHYSICS},
volume={},
number={8},
pages={-},
document_type={Article},
}