@INPROCEEDINGS {34954,
author={J. Pereira and H.  Gomes and S. P. M. Mendes and R.  Santos and S.  Faria and C. Neves},
doi={},
booktitle={Industry 4.0 Academia Conference},
title={Long Range RFID Indoor Positioning System with Passive Tags},
year={2019},
month={April},
volume={-},
pages={---} 
}