@INPROCEEDINGS {36514,
author={F.  Pereira and S.I. Lopes and N.B.C. Carvalho},
doi={10.1109/ISC246665.2019.9071717},
booktitle={IEEE International Smart Cities Conference ISC2},
title={Design of a Cost-Effective Multimodal IoT Edge Device for Building Occupancy Estimation},
year={2019},
month={October},
volume={},
pages={-} 
}