@INPROCEEDINGS {10557,
author={C. C.  Serra and C. R. Medeiros and J.R. Costa and C. A. Fernandes},
doi={},
booktitle={IEEE AP-S/URSI International Symp.},
title={Study of Transparent Antennas for RFID},
year={2011},
month={July},
volume={-},
pages={---} 
}