@INPROCEEDINGS {35040,
author={R.  Silva and R.  Marinheiro and F.  Abreu},
doi={},
booktitle={Wireless Personal Multimedia Communications Symp. - WPMC},
title={Crowding Detection Combining Trace Elements from Heterogeneous Wireless Technologies},
year={2019},
month={November},
volume={},
pages={-} 
}