@ARTICLE {29983,
author={J.  Branquinho and C  Senna and A. Zúquete},
doi={10.3390/s20092473},
journal={Sensors},
title={An Efficient and Secure Alert System for VANETs to Improve Crosswalks’ Security in Smart Cities},
year={2020},
month={April},
volume={20},
number={9},
pages={2473-2473},
ISSN={}
}