@ARTICLE {6970,
author={L. M. Pinto and A. Almeida and P.S André and A. N. Pinto},
doi={10.1002/mop.27127},
journal={Microwave and Optical Tech. Letters},
title={Photon-Pair States and Violation of CHSH Inequality},
year={2012},
month={November},
volume={54},
number={11},
pages={2454-2461},
ISSN={0895-2477}
}