@INPROCEEDINGS {13750,
author={L. Brás and P. Pinho and N.B.C. Carvalho},
doi={0},
booktitle={IEEE AP-S/URSI International Symp.},
title={Omnidirectional Printed Loop Antenna for Taxi Communications},
year={2013},
month={July},
volume={1},
pages={1-2} 
}