@ARTICLE {7483,
author={L. Brás and N.B.C. Carvalho and P. Pinho and L. K. Kulas and K. N. Nyka},
doi={10.1155/2012/953269},
journal={International Journal of Antennas and Propagation},
title={A Review of Antennas for  Indoor Positioning Systems},
year={2012},
month={October},
volume={2012},
number={953269},
pages={1-14},
ISSN={1687-5869}
}